 He also voices Tom in the Tom and Jerry films "" and "".He was also an animator for "The Tracey Ullman Show" "The Simpsons" shorts, but left after a season.He created "The Shnookums and Meat Funny Cartoon Show" and "Mad Jack the Pirate", worked as an executive producer and writer for "Toonsylvania", produced and directed the current "Tom and Jerry" cartoons, wrote "Hare and Loathing in Las Vegas" and "The Incredible Crash Dummies" and did the story on two "Roger Rabbit Shorts"; "Tummy Trouble" and "Roller Coaster Rabbit".