Events in 1920 in animation.
- 4 January – Farmer Al Falfa Goes A-Hunting (United States)
- 16 January – The Great Cheese Robbery (United States)
- 25 January – A Frolic with Felix (United States)
- 30 January – Love's Labor Lost (United States)
- 8 February – The Debut of Thomas Cat (United States)
- 22 February – Felix the Big Game Hunter (United States)
- 3 March – The Best Mouse Loses (United States)
- 7 March – Wrecking a Romeo (United States)
- 14 March – The Bone of Contention (United States)
- 11 April – Felix the Food Controller (United States)
- 18 April – Felix the Pinch Hitter (United States)
- 16 May – Foxy Felix (United States)
- 4 June – Kats Is Kats (United States)
- 6 June – A Hungry Hoodoo (United States)
- 12 June – Cheating the Piper (United States)
- 13 June – The Great Cheese Robbery (United States)
- 3 July – The Chinese Honeymoon (United States)
- 18 July – Felix and the Feed Bag (United States)
- 22 August – Nifty Nurse (United States)
- 26 September – Frolics at the Circus view (United States)
- 24 October – My Hero (United States)
- 25 October – A Family Affair (United States)
- 21 November – Felix the Landlord (United States)
- 26 December – Felix's Fish Story (United States)
February
- February 14: Albert Barillé, Polish-French animator, screenwriter and film producer (Procidis, Once Upon a Time...), (d. 2009).[6]
- February 17: Ivo Caprino, Norwegian director and writer (Flaklypa Grand Prix), (d. 2001).[7][8][9]
- February 22: Pete Alvarado, American comics artist and animator (Walt Disney Company, Warner Bros. Cartoons, DePatie-Freleng, Republic Pictures, Hanna-Barbera, Ruby-Spears Productions, Filmation), (d. 2003).
March
- March 3:
- James Doohan, Canadian actor (voice of Scotty in Star Trek: The Animated Series), (d. 2005).[10]
- Ronald Searle, English illustrator, cartoonist and comics artist (The Happiest Days of Your Life, Energetically Yours, Those Magnificent Men in their Flying Machines, Monte Carlo or Bust!, and Dick Deadeye, or Duty Done), (d. 2011).[11]
- March 14: Hank Ketcham, American comics artist and animator (Walt Disney Company, Walter Lantz), (d. 2001).[12]
- March 22:
June
- June 5:
- June 13:
- June 19: Johnny Douglas, English composer (Marvel Productions), (d. 2003).[23][24][25][26]
- June 22: Paul Frees, American actor and screenwriter (voice of Boris Badenov in Rocky and Bullwinkle, Inspector Fenwick in Dudley Do-Right, Ludwig von Drake in Disney anthology television series, Muscles in Jerry's Cousin, John Lennon and George Harrison in The Beatles, Burgermeister Meisterburger and Grimsley in Santa Claus Is Comin' to Town), (d. 1986).[27]
- June 29: Ray Harryhausen, American animator and special effects creator (Mighty Joe Young, The Beast from 20,000 Fathoms, The 7th Voyage of Sinbad, Jason and the Argonauts, Clash of the Titans), (d. 2013).[28]
August
- August 2: Bill Scott, American actor (voice of Bullwinkle J. Moose, Mister Peabody, Dudley Do-Right, Super Chicken, and George of the Jungle, voice of Moosel in The Wuzzles, Gruffi Tummi, Sir Tuxford, and Toadwart in Gummi Bears), (d. 1985).[32]
- August 11: Mike Douglas, American singer, television host and actor (singing voice of Prince Charming in Cinderella), (d. 2006).[33][34][35][36][37]
- August 18: Lev Milchin, Russian film director and illustrator (The Tale of Tsar Saltan), (d. 1987).[38]
- August 30: Leonid Shvartsman, Russian animator and visual artist (Soyuzmultfilm), (d. 2022).[39]
September
- September 3: Jackson Weaver, American broadcaster and actor (voice of Smokey Bear), (d. 1992).[40]
- September 5: Alex Anderson, American cartoonist (co-creator of Rocky and Bullwinkle, Dudley Do-Right, and Crusader Rabbit), (d. 2010).[41][42][43]
- September 20: Jay Ward, American animator and producer (Crusader Rabbit, Rocky and Bullwinkle, Dudley Do-Right, Mr. Peabody and Sherman, Hoppity Hooper, George of the Jungle, Tom Slick, Super Chicken), (d. 1989).[44]
- September 23: Mickey Rooney, American actor (voice of Oswald the Lucky Rabbit in the mid-1930s, Santa Claus in the Rankin/Bass Productions Christmas specials, adult Tod in The Fox and the Hound, Mr. Cherrywood in The Care Bears Movie, Flip in Little Nemo: Adventures in Slumberland, himself in The Simpsons episode "Radioactive Man", and the short producer in the American Dad! episode "A Star is Reborn"), (d. 2014).[45][46][47][48][49]
- September 27:
November
- November 17: George Dunning, Canadian animator and film director (The Beatles, Yellow Submarine, directed the main titles for A Shot in the Dark), (d. 1979).
- November 25: Ricardo Montalbán, Mexican actor (voice of Armando Guitierrez in Freakazoid!, Señor Senior Sr. in Kim Possible, the Head of Council in The Ant Bully, Gone Juan in The Spooktacular New Adventures of Casper, Vartkes in the Buzz Lightyear of Star Command episode "Lone Wolf", El Encantador in the Dora the Explorer episode "The Missing Piece", the Cow in the Family Guy episode "McStroke", General Juanito Pequeño in the American Dad! episode "Moon Over Isla Island"), (d. 2009).[54][55][56]
Specific date unknown
- Balthasar Lippisch, German illustrator, caricaturist, animator and comics artist (worked on the TV series Pip & Zip), (d. 1995).[61]
October
- October 2: Henry Underhill, English artist, photographer, and amateur scientist, (co-founder and president of the Oxfordshire Natural History Society, gave lectures on a variety of scientific topics. All of his lectures were illustrated by his hand-painted and photographic magic lantern slides. He also illustrated folk tales from England, Russia, Japan and Ireland. The Folklore Society holds a collection of over 300 of Underhill's folk tale magic lantern slides), dies at age 65.[62][63][64]
"Henry Corden". Tampa Bay Times. May 21, 2005. p. 20. Retrieved October 13, 2019.
McDonald, Tim (2003-04-23). "Johnny Douglas". The Guardian. Retrieved 2022-02-20.
Social Security Death Index, Michael D. Dowd Jr., Birth: 11 Aug 1921, death: 11 Aug 2006 residing in North Palm Beach, FL, accessed 9 January 2017.
Harlan, Debi; Price, Megan (2003). "Henry Underhill: Entomologist, Grocer, Antiquarian and Magic Lantern Artist". The New Magic Lantern Journal. 9 (4): 51–53.
Wood, Juliette (2012). "Fairytales and the Magic Lantern: Henry Underhill's Lantern Slides in the Folklore Society Collection". Folklore. 123 (3): 254–263.