Suggestions by @demurelyhydrated

Sandra Bernhard

as Winston in Fritz The Cat (1992)

Kathy Griffin

as Winston in Fritz The Cat (1992)

Tom Arnold

as John in Fritz The Cat (1992)

Garry Shandling

as John in Fritz The Cat (1992)

Richard Belzer

as John in Fritz The Cat (1992)

Norm Macdonald

as John in Fritz The Cat (1992)

Gilbert Gottfried

as Lizard Leader in Fritz The Cat (1992)

Buddy Hackett

as Lizard Leader in Fritz The Cat (1992)

Sam Kinison

as Lizard Leader in Fritz The Cat (1992)

Christopher Collins

as Lizard Leader in Fritz The Cat (1992)

Adele Givens

as Harriet in Fritz The Cat (1992)

Sommore

as Harriet in Fritz The Cat (1992)

Nell Carter

as Harriet in Fritz The Cat (1992)

Sheryl Underwood

as Harriet in Fritz The Cat (1992)

Christopher Collins

as Blue in Fritz The Cat (1992)

Hank Azaria

as Blue in Fritz The Cat (1992)

Barry Dennen

as Blue in Fritz The Cat (1992)

John Kassir

as Blue in Fritz The Cat (1992)

Susie Essman

as Winston Schwartz in Fritz The Cat (1992)

Joan Rivers

as Winston Schwartz in Fritz The Cat (1992)