The Mousersaurus Rex, stomping through a jungle
|First appearance||The Super Mario Bros. Super Show! - "Quest for Pizza" (1989)|
- “Mousersaurus Rex. The Ugliest, Slimiest, Rottenest...”
- —Toad, The Super Mario Bros. Super Show!
Mousersaurus Rex, also called Mouseraurus, is a giant red dinosaur that appears in the The Super Mario Bros. Super Show! episode "Quest for Pizza". This dinosaur has sunglasses like Mouser and resembles him. He helps Alley Koop throughout the episode. Although he is big and powerful, he is unable to speak. Additionally, as a running gag, his feet keep getting hurt throughout the episode.
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