An image from Droopy, Master Detective, one of the productions that also features Jim Hearn.
Jim Hearn
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Scooby-Doo on Zombie Island
1998
The Powerpuff Girls Movie
2002
Adventure Time: Fionna & Cake
2023
Billy & Mandy's Big Boogey Adventure
2007
Droopy, Master Detective
1993
Dexter's Laboratory: Chicken Scratch
2002
The Grim Adventures of Billy & Mandy: Meet the Reaper
2000
Kenny and the Chimp: Diseasy Does It! or Chimp 'n' Pox
1998