Bruce Timm
Joaquim Dos Santos
Paul Dini
Alan Burnett
Sam Register
Sam Liu
Gail Simone
Kevin Michael Richardson
Scott Menville
Andrea Romano (voice director)
Keith Giffen
Marv Wolfman
Geoff Johns
Fred Tatasciore
Christopher Yost
Dan DiDio
Mark Waid
Robin Atkin Downes
Joe Kelly (comics writer)
Glen Murakami
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American television producer
Sam Register is an American film and television producer and businessman. He is currently the president of Warner Bros. Animation, Cartoon Network Studios, and Hanna-Barbera Studios Europe. Wikipedia