# Jeff > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Jeff > Markdown URL: https://mediated.wiki/source/Jeff.md > Source: https://en.wikipedia.org/wiki/Jeff > Source revision: 1354310952 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) {{pp-pc1}} {{other uses}} {{Image frame|content={{Photomontage|right|300px | photo1a = Jeff Bezos visits LAAFB SMC (3908618) (cropped).jpeg | photo1b = JEFF COOPWOOD.jpg | photo2a = Jeff Kinney Book Signing, November 2011 (1).jpg | photo2b = Official Portrait of Public Defender Jeff Adachi.jpg | photo3b = Jeff Dunham and Achmed (cropped).JPG | photo3a = Jeff Bridges by Gage Skidmore 3 (cropped 2).jpg | photo4a = Jeff Goldblum by Gage Skidmore 3.jpg | photo4b = Jeff gordon (47223209121) (cropped).jpg | photo5a = Jeff Fenech.jpg | photo5b = Jeff Locke (American football) (cropped4).JPG | photo6b = Jeff Daniels May 2018 (cropped) (cropped).jpg | photo6a = Official Photo of Senator Jeff Bingaman (D-NM) 2008 (cropped).jpg | photo7a = Jeff Foxworthy.jpg | photo7b = Jeff Bennett 2023.jpg | photo8a = Jeff Probst 2017 (cropped).png | photo8b = Jeff Okudah 2022.jpg | photo9a = Jeff Cobb June 2019.jpg | photo9b = Jeff Corwin 2006 06 24.png | photo10a = Jeff Blake.jpg | photo10b = Jeff Beck in Amsterdam 1979 (cropped).jpg }}}} '''Jeff''' is a masculine name, often a short form ([hypocorism](/source/hypocorism)) of the English [given names](/source/given_names) [Jefferson](/source/Jefferson_(given_name)) or [Jeffrey](/source/Jeffrey_(given_name)), the latter of which comes from a [medieval](/source/Middle_Ages) variant of [Geoffrey](/source/Geoffrey_(given_name)).{{Cite web|url=https://www.behindthename.com/name/jeff|title=Meaning, origin and history of the name Jeff|first=Mike|last=Campbell|website=Behind the Name}} == Academics == * [Jeff Kuhn](/source/Jeff_Kuhn), physicist and astronomer * [Jeff Remmel](/source/Jeff_Remmel), American mathematician * [Jeff S. Shamma](/source/Jeff_S._Shamma), professor of electrical engineering * [Jeff Sigafoos](/source/Jeff_Sigafoos), New Zealand professor of educational psychology * [Jeff Todd Titon](/source/Jeff_Todd_Titon) (born 1943), professor of music and author == Arts and entertainment == === Film and television === * [Jeff Anderson](/source/Jeff_Anderson), American actor * [Jeff Bennett](/source/Jeff_Bennett), American voice actor and singer * [Jeff Bergman](/source/Jeff_Bergman), American voice actor * [Jeff Bollow](/source/Jeff_Bollow), American writer and director * [Jeff Brazier](/source/Jeff_Brazier) (born 1979), English television presenter and reality TV personality * [Jeff Bridges](/source/Jeff_Bridges), American actor * [Jeff Canoy](/source/Jeff_Canoy) (born 1984), Filipino broadcast journalist and documentary film maker * [Jeff Chandler](/source/Jeff_Chandler) (1918–1961), American film actor * [Jeff Cohen (actor)](/source/Jeff_Cohen_(actor)), American attorney and former child actor who appeared as Chunk in the 1985 movie ''The Goonies'' * [Jeff Conaway](/source/Jeff_Conaway) (1950–2011), American actor * [Jeff Coopwood](/source/Jeff_Coopwood), American actor, singer, broadcaster and educator * [Jeff Corey](/source/Jeff_Corey) (1914–2002), American stage and screen actor and director * [Jeff Corwin](/source/Jeff_Corwin), American animal and nature conservationist, host of ''[The Jeff Corwin Experience](/source/The_Jeff_Corwin_Experience)'' and ''[Corwin's Quest](/source/Corwin's_Quest)'' * [Jeff Daniels](/source/Jeff_Daniels), American actor * [Jeff B. Davis](/source/Jeff_B._Davis), American actor, comedian and singer * [Jeff Deverett](/source/Jeff_Deverett), Canadian film producer * [Jeff Dunham](/source/Jeff_Dunham), American ventriloquist and comedian * [Jeff East](/source/Jeff_East), American actor * [Jeff Foxworthy](/source/Jeff_Foxworthy), American comedian and actor * [Jeff Garcia](/source/Jeff_Garcia_(comedian)) (1975–2025), American comedian and actor * [Jeff Garlin](/source/Jeff_Garlin), American comedic actor * [Jeff Goldblum](/source/Jeff_Goldblum), American film actor * [Jeff Hunter](/source/Jeffrey_Hunter), American film actor * [Jeff Hyslop](/source/Jeff_Hyslop) (born 1951), Canadian actor, singer, dancer, choreographer, and director * [Jeff Katz](/source/Jeff_Katz), American film producer and studio executive * [Jeff Lemire](/source/Jeff_Lemire) (born 1976), Canadian comic book writer, artist, and television producer * [Jeff Loveness](/source/Jeff_Loveness), American screenwriter and television producer * [Jeff Machado](/source/Jeff_Machado_case) (died 2023), Brazilian actor * [Jeff Maxwell](/source/Jeff_Maxwell), American actor * [Jeff McCarthy](/source/Jeff_McCarthy), American character actor * [Jeff "Swampy" Marsh](/source/Jeff_%22Swampy%22_Marsh), American television director, writer, producer, storyboard artist, and actor * [Jeff Osterhage](/source/Jeff_Osterhage), American film and television actor * [Jeff Probst](/source/Jeff_Probst), American television personality, host of ''[Survivor](/source/Survivor_(American_TV_series))'' * [Jeff Shannon](/source/Jeff_Shannon) (1961–2013), American film critic * [Jeff Stelling](/source/Jeff_Stelling), British sports journalist, sport television presenter and game show host * [Jeff Stevenson](/source/Jeff_Stevenson_(comedian)) (born 1961), English actor and comedian * [Jeff Thisted](/source/Jeff_Thisted), American game show host * [Jeff Yagher](/source/Jeff_Yagher), American actor * [Jeff York](/source/Jeff_York) (1912–1995), American actor === Literature === * [Jeff Abbott](/source/Jeff_Abbott), American suspense novelist * [Jeff Kinney](/source/Jeff_Kinney), American game designer, cartoonist, producer, actor, and children's book author * [James Neff](/source/James_Neff), American non-fiction author and investigative journalist * [Jeff Noon](/source/Jeff_Noon), British novelist, short story writer, and playwright * [Jeff VanderMeer](/source/Jeff_VanderMeer), American writer * [Jeff Weiss](/source/Jeff_Weiss), American playwright, impresario, and actor === Music === * [Excision (musician)](/source/Excision_(musician)), Canadian dubstep producer and DJ Jeff Abel * [Jeff Abercrombie](/source/Jeff_Abercrombie), bassist for American rock band Fuel * [Jeff Alexander](/source/Jeff_Alexander) (1910–1989), American conductor, arranger, and composer of film, radio, and television scores * [Jeff Allen](/source/Jeff_Allen_(musician)), English session drummer * [Jeff Baxter](/source/Jeff_Baxter), American guitarist for rock bands Steely Dan and The Doobie Brothers * [Jeff Beal](/source/Jeff_Beal) (born 1963), American composer of music for various media * [Jeff Beck](/source/Jeff_Beck) (1944–2023), English guitarist * [Jeff Buckley](/source/Jeff_Buckley) (1966–1997), American singer-songwriter * [Jeff Coffin](/source/Jeff_Coffin), saxophonist, bandleader, composer and educator * [Jeff Current](/source/Jeff_Current), lead singer of American alternative rock band Against All Will * [Jeff Fatt](/source/Jeff_Fatt), Australian musician and actor, formerly with the children's band [The Wiggles](/source/The_Wiggles) * [Jeff Gillan](/source/Jeff_Gillan), American journalist * [Jeff Graham](/source/Jeff_Graham), Canadian radio DJ * [Jeff Hanneman](/source/Jeff_Hanneman) (1964–2013), American guitarist, founding member of the thrash metal band Slayer * [Jeff Hartford](/source/Attlas), Canadian DJ and producer * [Jeff Healey](/source/Jeff_Healey) (1966–2008), Canadian blues-rock guitarist and songwriter * [Jeff Loomis](/source/Jeff_Loomis), lead guitarist for heavy metal band Nevermore * [Jeff Lynne](/source/Jeff_Lynne), British singer-songwriter and record producer * [Jeff Mangum](/source/Jeff_Mangum), American singer-songwriter and founder of [Neutral Milk Hotel](/source/Neutral_Milk_Hotel) * [Jeff Mills](/source/Jeff_Mills), American techno DJ and producer * [Jeff Pilson](/source/Jeff_Pilson) (born 1959), American musician * [Jeff Porcaro](/source/Jeff_Porcaro) (1954–1992), American session drummer and member of the rock band Toto * [Jeff Satur](/source/Jeff_Satur), Thai singer and actor * [Jeff Scott Soto](/source/Jeff_Scott_Soto), American rock singer of Puerto Rican descent * [Jeff Stinco](/source/Jeff_Stinco), Canadian singer-songwriter and lead guitarist for pop-punk band Simple Plan * [Jeff Timmons](/source/Jeff_Timmons), American pop singer, producer, and pop group [98 Degrees](/source/98_Degrees) founding member * [Jeff Tweedy](/source/Jeff_Tweedy), American singer-songwriter and founding member of [Wilco](/source/Wilco) * [Jeff Ward (musician)](/source/Jeff_Ward_(musician)) (1962–1993), American musician * [Jeff Waters](/source/Jeff_Waters), Canadian thrash metal guitarist for band [Annihilator](/source/Annihilator_(band)) === Other arts and entertainment === * [Jeff Koons](/source/Jeff_Koons), American artist * [Jeff Smith](/source/Jeff_Smith_(cartoonist)), American cartoonist * [Jeff Sneider](/source/Jeff_Sneider), American entertainment journalist == Business == * [Jeff Bezos](/source/Jeff_Bezos), American entrepreneur, industrialist, media proprietor, investor, and former chief executive officer of Amazon * [Jeff Fairburn](/source/Jeff_Fairburn), British businessman * [Jeff Green](/source/Jeff_Green_(businessman)) (born 1977), American billionaire advertising executive * [Jeff Hawkins](/source/Jeff_Hawkins), founder of Palm Computing and Handspring * [Jeff Kaplan](/source/Jeff_Kaplan), vice president of Blizzard Entertainment * [Jeff Kwatinetz](/source/Jeff_Kwatinetz), American entertainment executive * [Jeff Steele](/source/Jeff_Steele) (born 1971), American entertainment industry executive == Politics == * [Jeff Adachi](/source/Jeff_Adachi), San Francisco Public Defender, pension reform advocate, and San Francisco mayoral candidate * [Jeff Bingaman](/source/Jeff_Bingaman), junior U.S. Senator from New Mexico * [Jeff Cooling](/source/Jeff_Cooling) (born 1987), Iowa state representative * [Jeff Flake](/source/Jeff_Flake), U.S. Senator from Arizona * [Jeff Kennett](/source/Jeff_Kennett), premier of Victoria, Australia * [Jeff Kurtz](/source/Jeff_Kurtz) (born 1954), Iowa state representative * [Jeff Landry](/source/Jeff_Landry), Governor of Louisiana * [Jeff Merkley](/source/Jeff_Merkley), U.S. Senator from Oregon * [Jeff Sessions](/source/Jeff_Sessions), United States Attorney General and US Senator * [Jeff Truly](/source/Jeff_Truly) (1861–1946), Mississippi legislator and judge == Programming == * [Jeff Dean](/source/Jeff_Dean), a senior fellow at Google and inventor of many of Google's core technologies * [Jeff Minter](/source/Jeff_Minter), British computer/video game designer and programmer * [Jeff Moss](/source/Jeff_Moss_(hacker)), American hacker, computer and internet security expert == Sports == * [Jeff Abbott (baseball)](/source/Jeff_Abbott_(baseball)), American retired professional baseball player * [Jeff Abbott (racing driver)](/source/Jeff_Abbott_(racing_driver)), American professional motorsport drifter * [Jeff Adams](/source/Jeff_Adams), Canadian Paralympian and wheelchair sport world champion * [Jeff Adrien](/source/Jeff_Adrien), college basketball player * [Jeff Agoos](/source/Jeff_Agoos) (born 1968), retired Swiss-born American soccer defender * [Jeff Allam](/source/Jeff_Allam), British racing driver * [Jeff Altenburg](/source/Jeff_Altenburg), American professional race car driver * [Jeff Andretti](/source/Jeff_Andretti), American race car driver * [Jeff Astle](/source/Jeff_Astle) (1942–2002), English footballer * [Jeff Bagwell](/source/Jeff_Bagwell), Hall of Fame American baseball player * [Jeff Bearden](/source/Jeff_Bearden) (born 1963), American professional wrestler * [Jeff Bennett (athlete)](/source/Jeff_Bennett_(decathlete)) (born 1948), American decathlete * [Jeff Bes](/source/Jeff_Bes), Canadian ice hockey player * [Jeff Blake](/source/Jeff_Blake), American football player * [Jeff Blatnick](/source/Jeff_Blatnick) (1957–2012), American super heavyweight Greco-Roman wrestler * [Jeff Burton](/source/Jeff_Burton), NASCAR racer * [Jeff Butler (football manager)](/source/Jeff_Butler_(football_manager)) (1934–2017), English football manager * [Jeff Carter](/source/Jeff_Carter), Canadian ice hockey player * [Jeff Chandler (boxer)](/source/Jeff_Chandler_(boxer)), boxing champion * [Jeff Cheung](/source/Jeffrey_Cheung), American skateboarder and artist * [Jeff Cirillo](/source/Jeff_Cirillo), retired baseball player * [Jeff Clement](/source/Jeff_Clement), American baseball player * [Jeff Cobb](/source/Jeff_Cobb) (born 1982), American professional wrestler * [Jeff Coetzee](/source/Jeff_Coetzee), South African professional tennis player * [Jeff Conine](/source/Jeff_Conine), retired baseball player * [Jeff Curran](/source/Jeff_Curran) (born 1977), American retired professional mixed martial artist * [Jeff Curran (footballer)](/source/Jeff_Curran_(footballer)) (born 1961), Scottish-born Australian former soccer player * [Jeff Elliott](/source/Jeff_Elliott), British decathlete and pole vaulter * [Jeff Farmer (wrestler)](/source/Jeff_Farmer_(wrestler)) (born 1962), American retired professional wrestler * [Jeff Fenech](/source/Jeff_Fenech), Australian boxer * [Jeff Ferguson (ice hockey)](/source/Jeff_Ferguson_(ice_hockey)) (born 1969), Canadian ice hockey and roller hockey goaltender * [Jeff Foster (basketball)](/source/Jeff_Foster_(basketball)) (born 1977), American basketball player * [Jeff Francis](/source/Jeff_Francis), baseball player * [Jeff Francoeur](/source/Jeff_Francoeur), baseball player * [Jeff Friesen](/source/Jeff_Friesen), NHL player * [Jeff Garcia](/source/Jeff_Garcia), American football player * [Jeff Gaylord](/source/Jeff_Gaylord) (1958–2023), American professional wrestler * [Jeff George](/source/Jeff_George), American football player * [Jeff Gladney](/source/Jeff_Gladney) (born 1996), American football player * [Jeff Gordon](/source/Jeff_Gordon), NASCAR racer * [Jeff Graham](/source/Jeff_Graham), American football player * [Jeff Graham (quarterback)](/source/Jeff_Graham_(quarterback)), American football player * [Jeff Green (basketball)](/source/Jeff_Green_(basketball)), American professional basketball forward * [Jeff Guiel](/source/Jeff_Guiel), Canadian baseball player * [Jeff Halliburton](/source/Jeff_Halliburton) (born 1949), American former basketball player * [Jeff Halpern](/source/Jeff_Halpern) (born 1976), American NHL hockey player * [Jeff Hardy](/source/Jeff_Hardy) (born 1977), American professional wrestler * [Jeff Holland](/source/Jeff_Holland) (born 1997), American football player * [Jeff Hopkins](/source/Jeff_Hopkins) (born 1964), Welsh football manager * [Jeff Hornacek](/source/Jeff_Hornacek), American basketball player * [Jeff Horton](/source/Jeff_Horton) American football coach * [Jeff Jarrett](/source/Jeff_Jarrett), American professional wrestler * [Jeff Kent](/source/Jeff_Kent), baseball player * [Jeff Leiding](/source/Jeff_Leiding), American football player * [Jeff Leka](/source/Jeff_Leka), American racing driver * [Jeff Lindgren](/source/Jeff_Lindgren), American baseball player * [Jeff Locke (American football)](/source/Jeff_Locke_(American_football)), American football player * [Jeff Lockie](/source/Jeff_Lockie), American football player * [Jeff Loots](/source/Jeff_Loots), American football player * [Jeff Luc](/source/Jeff_Luc), American football player * [Jeff McIntyre](/source/Jeff_McIntyre) (born 1954), American football player * [Jeff Mills (linebacker)](/source/Jeff_Mills_(linebacker)), American football player * [Jeff Monson](/source/Jeff_Monson) (born 1971), American mixed martial artist, boxer, and submission grappler * [Jeff Newman (baseball)](/source/Jeff_Newman_(baseball)) (born 1948), American baseball player * [Jeff Nielsen](/source/Jeff_Nielsen), professional hockey player * [Jeff Norton](/source/Jeff_Norton), National Hockey League player * [Jeff Okudah](/source/Jeff_Okudah) (born 1999), American football player * [Jeff Otis](/source/Jeff_Otis), American football player * [Jeff Overbaugh](/source/Jeff_Overbaugh), American football player * [Jeff Pain](/source/Jeff_Pain), American-born Canadian skeleton racer * [3.0 (professional wrestling)](/source/3.0_(professional_wrestling)), Canadian professional wrestler Jeff Parker * [Jeff Phillips (skateboarder)](/source/Jeff_Phillips_(skateboarder)) (1963–1993), American professional skateboarder * [Jeff Reed (American football)](/source/Jeff_Reed_(American_football)), American football player * [Jeff Reed (baseball)](/source/Jeff_Reed_(baseball)), retired baseball player * [Jeff Salzenstein](/source/Jeff_Salzenstein) (born 1973), American tennis player * [Jeff Samardzija](/source/Jeff_Samardzija) (born 1985), Major League Baseball pitcher * [Jeff Shantz](/source/Jeff_Shantz), National Hockey League player * [Jeff Simmons (racing driver)](/source/Jeff_Simmons_(racing_driver)), American race car driver * [Jeff Skinner](/source/Jeff_Skinner), Canadian National Hockey League player * [Jeff Speakman](/source/Jeff_Speakman), American actor and martial artist * [Jeff Stevenson (rugby league)](/source/Jeff_Stevenson_(rugby_league)) (1932–2007), English rugby league footballer * [Jeff Stork](/source/Jeff_Stork), American volleyball player * Charles [Jeff Tesreau](/source/Jeff_Tesreau) (1888–1946), American Major League Baseball pitcher * [Jeff Thomson](/source/Jeff_Thomson), Australian cricketer * [Jeff Van Gundy](/source/Jeff_Van_Gundy), American NBA coach and broadcaster * [Jeff Walz](/source/Jeff_Walz) (born 1971), American basketball coach * [Jeff Williams (baseball)](/source/Jeff_Williams_(baseball)), pitcher for the Hanshin Tigers * [Jeff Williams (cyclist)](/source/Jeff_Williams_(cyclist)), British cyclist * [Jeff Wilson (American football)](/source/Jeff_Wilson_(American_football)) (born 1995), American football player * [Jeff Wiseman](/source/Jeff_Wiseman) (born 1950), Australian Paralympic athlete and businessman * [Jeff Withey](/source/Jeff_Withey) (born 1990), American basketball player ==Other fields== * [Jeff Arcuri](/source/Jeff_Arcuri) (born 1987 or 1988), American stand-up comedian * [Jeff Cooper](/source/Jeff_Cooper) (1920–2006), United States Marine and firearms expert * [Jeff Erlanger](/source/Jeff_Erlanger) (1970–2007), American advocate and activist for disability rights * [Jeff Kidder](/source/Jeff_Kidder) (1875–1908), American lawman * [Jeff Luers](/source/Jeff_Luers), American anarchist, environmental activist, and arsonist * [Jeff Nuttall](/source/Jeff_Nuttall), British 1960s counter-culture figure * [Jeff Weise](/source/Jeff_Weise) (1988–2005), American mass murderer and spree killer * [Jeff Wooller](/source/Jeff_Wooller), British accountant * [Jeff Greason](/source/Jeff_Greason), American inventor and proponent of space settlement == Fictional characters == * [Jeff](/source/Akbar_and_Jeff), one half of the comic-strip duo Akbar and Jeff of ''Life in Hell'' * Jeff, the main character in the 1980s Canadian children's television program ''[Today's Special](/source/Today's_Special)'' * Jeff, the [alter ego](/source/alter_ego) of Jenko in the film ''[22 Jump Street](/source/22_Jump_Street)'' * Jeff, in the 2004 American comedy movie ''[Connie and Carla](/source/Connie_and_Carla)'' * Jeff, best friend of Clarence in the 2014–17 American animated television series ''[Clarence](/source/Clarence_(American_TV_series))'' * Jeff McCallister, in the ''[Home Alone franchise](/source/Home_Alone_(franchise))'' * Jeff, in the video game ''[EarthBound](/source/EarthBound)'' * Jeff, an enemy in the 2020 VR game ''[Half-Life: Alyx](/source/Half-Life%3A_Alyx)'' * Jeff Albertson, more commonly known as [Comic Book Guy](/source/Comic_Book_Guy), from ''[The Simpsons](/source/The_Simpsons)'' * Jeff Atkins, a character in the Netflix series ''[13 Reasons Why](/source/13_Reasons_Why)'' * Jeff Bennett, in the sitcom ''[Taxi](/source/Taxi_(TV_series))'' * Jeff Boomhauer, from the American television series ''[King of the Hill](/source/King_of_the_Hill)'' * [Jeff Colby](/source/Jeff_Colby), in the American television series ''[Dynasty](/source/Dynasty_(1981_TV_series))'' and ''[The Colbys](/source/The_Colbys)'' * Jeff Daly, in the film [''Rumor has it...''](/source/Rumor_Has_It_(film)), played by [Mark Ruffalo](/source/Mark_Ruffalo) * Jeff Denlon, in the ''[Saw](/source/Saw_(franchise))'' franchise * Jeff Difford, in the television series ''[Young Sheldon](/source/Young_Sheldon)'' * Jeff Fungus, in the ''[Monsters, Inc.](/source/Monsters%2C_Inc._(franchise))'' franchise named after [Jeff Gordon](/source/Jeff_Gordon), voiced by [Frank Oz](/source/Frank_Oz) * Jeff Gorvette, in Pixar's ''[Cars](/source/Cars_(franchise))'' franchise * Jeff Heaney, a recurring character in the sitcom ''[Peep Show](/source/Peep_Show_(British_TV_series))'' * Jeff Isaacs, in the television series ''[Degrassi: The Next Generation](/source/Degrassi%3A_The_Next_Generation)'' * Jeff K., on the [Something Awful](/source/Something_Awful) comedy website * Jeff the Killer, from the [creepypasta](/source/creepypasta) of the same name * [Jeff the Land Shark](/source/Jeff_the_Land_Shark), a [Marvel Comics](/source/Marvel_Comics) character * Jeff Murdock, a main character in the first three seasons of the British sitcom ''[Coupling](/source/Coupling_(British_TV_series))'' * Jeff Pringles, the teacher from ''[Postman Pat](/source/Postman_Pat)'' * Jeff Suckler, a minor character in the FX series ''[What We Do In The Shadows](/source/What_We_Do_in_the_Shadows_(TV_series))'' * Jeff Thompkins, title character in the 2011 comedy-drama film ''[Jeff, Who Lives at Home](/source/Jeff%2C_Who_Lives_at_Home)'' * Jeff Winger, main character in the NBC sitcom ''[Community](/source/Community_(TV_series))'' * Jeff, an alien worm in the 2002 science fiction film ''[Men in Black II](/source/Men_in_Black_II)'' ==See also== * [Jef](/source/Jef), short form of Josef/Jozef * [Jeph Jacques](/source/Jeph_Jacques), webcomic maker, ''Questionable Content'' == References == {{reflist}} {{given name}} Category:English masculine given names Category:Masculine given names Category:Hypocorisms --- Adapted from the Wikipedia article [Jeff](https://en.wikipedia.org/wiki/Jeff) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Jeff?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.