He is best known for having produced the animated programs Milton the Monster (1965–66) and Batfink (1966–67).
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In 1962, his studio produced and syndicated 100 new Out Of the Inkwell cartoons, based on the Koko the Clown character, originally created by Fleischer Studios.
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During the later part of the 1940s, he worked as a screenwriter for a series of movies featuring well known Black performers, including the 1947 Cab Calloway musical Hi-De-Ho and two films featuring Dusty Fletcher and Moms Mabley, "Killer Diller" and "Boarding House Blues".
Pete Seeger | Hal Roach | Hal Holbrook | Hal David | HAL 9000 | Hal Willner | Hal McKusick | Hal Linden | Hal Galper | Hal Ashby | James Hal Cone | Hal Ketchum | Hal Jordan | Peggy Seeger | Hal Rogers | Hal Miller | Hal Clement | HAL | Shallow Hal | HAL Tejas | Hal Patino | Hal Miller (actor) | Hal Hopson | Hal Hartley | Hal Bernson | Hal Abelson | Charles Seeger | Stefan Seeger | Pete Seeger's | Hal Wootten |
Since Warner Bros. had closed their cartoon studio the year before, the opening and closing animation and bumpers were produced in New York by animator Hal Seeger, with Winston Sharples composing the title song.