Suggestions by @maxthecat67

Dana Hill

as Baby Long Legs in Poppy Playtime (1991-1995)

Arnold Schwarzenegger

as Daddy Long Legs in Poppy Playtime (1991-1995)

Sigourney Weaver

as Mommy Long Legs in Poppy Playtime (1991-1995)

Anthony Hopkins

as The Prototype in Poppy Playtime (1991-1995)

Hanna-Barbera

as Animation Studio in Hanna-Barbera's Sister Location (1980)

Hand-Drawn Animation

as Format in Hanna-Barbera's Sister Location (1980)

Hoyt Curtin

as Composer in Hanna-Barbera's Sister Location (1980)

Warren Foster

as Writer in Hanna-Barbera's Sister Location (1980)

William Hanna & Joseph Barbera

as Producer in Hanna-Barbera's Sister Location (1980)

William Hanna & Joseph Barbera

as Director in Hanna-Barbera's Sister Location (1980)

Bob Holt

as Yenndo in Hanna-Barbera's Sister Location (1980)

Lennie Weinrib

as Lolbit in Hanna-Barbera's Sister Location (1980)

Russi Taylor

as Bonnet in Hanna-Barbera's Sister Location (1980)

Kathryn Beaumont

as Minireenas in Hanna-Barbera's Sister Location (1980)

Frank Welker

as Bidybabs in Hanna-Barbera's Sister Location (1980)

Gary Owens

as Ennard in Hanna-Barbera's Sister Location (1980)

John Baddeley

as Funtime Foxy in Hanna-Barbera's Sister Location (1980)

Tommy Cannon

as Bon-Bon in Hanna-Barbera's Sister Location (1980)

Bobby Ball

as Funtime Freddy in Hanna-Barbera's Sister Location (1980)

Eleanor Audley

as Ballora in Hanna-Barbera's Sister Location (1980)