Chuck E. Cheese's - Stages and Character Information! Mr. Munch has been a member of Chuck E. Cheese's cast of characters since the very early days of. Munch Jr. is a prop character for the "Munch's Make Believe Band" 3-Stage set up at Chuck E. Cheese's. He was placed inside a small metallic barrel between Helen Henny and Mr. Munch on Center Stage. Prior to Concept Unification, Munch Jr's animatronic was Choo-Choo from The Rock. For the 3-Stage character, see Munch Jr. For the show, see Munch's Make Believe Band. Mr. Munch Species Monster Gender Male Friends Chuck E. Cheese.