Isadore Howard Ellis[1] (January 19, 1910 – April 26, 1994) was an American animator best known for working for Warner Bros. Cartoons under the Bob Clampett and Frank Tashlin units.
Ellis had a long career in the animation industry, which started at Ub Iwerks Studio in 1935.
After two years, Ellis moved to Leon Schlesinger Productions, where he worked under Bob Clampett's unit.
After Clampett took over Tex Avery's unit, Ellis continued to animate in his old unit under the supervision of Norman McCabe, Frank Tashlin, and Robert McKimson.
He worked for Gerald Ray Studios, which at the time was contracted in co-produce the Popeye the Sailor television series.