Suggestions by @susiandsara

Ray Romano

as Blastoise in Pokemon Kanto voice headcanons

Doug Erholtz

as Gundam in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

David Herman

as Uncle Gabby in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Dino Stamatopoulos

as Drinky Crow in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Cristina Valenzuela

as Killua in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Kate Miller

as Debbie in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Bill Lobley

as Sparks in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Jon Hamm

as Captain Murphy in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Paget Brewster

as Judy Ken Sebben/Birdgirl in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Stephen Colbert

as Phil Ken Sebben in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Gary Cole

as Harvey Birdman in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Adam Carolla

as Pigeon in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Jim Rash

as Marquess of Queensberry in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Rachel Ramras

as Yung Hee Tyson in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Mike Tyson

as Mike Tyson in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Brett Gelman

as Brett Mobley in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Maria Thayer

as Susie Wagner in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Chris Elliott

as Chris Monsanto in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Larry Murphy

as Assy McGee in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there

Katee Sackhoff

as Bitch Pudding in Robot Chicken 25th Anniversary (Adult Swim Special) if the characters they forgot to add were there