Suggestions by @madysonroth

Issac Ryan Brown

as Gary guitar in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Annie Mumolo

as Strikeout in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jessica DiCicco

as Smart Alec in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jessie Flower

as Peggy in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Colleen O'Shaughnessey

as Tiffany in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jacob Tremblay

as Garlic Boy in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Charlie Schlatter

as Martin in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Alexander Pollock

as Harold in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jennifer Lawrence

as Rosemary in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Wil Wheaton

as Kyle in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Kevin Micheal Richardson

as Infinite Goliath in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Rodger Bumpass

as Lemurman in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jeff Bennett

as Punky in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Tom Kenny

as Gunter in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Dee Bradley Baker

as Tabby in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Josh Gad

as Duck in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

André Sogliuzzo

as Yaki in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Saoirse Ronan

as Yumi in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Danica McKellar

as Katerina metropoulus in Where Are Those Cartoons Coming From? A Nicktoons Spin Off

Jessica DiCicco

as Gloom in Where Are Those Cartoons Coming From? A Nicktoons Spin Off