Grumposaurus

Grumposaurus is a monster in Maggie's Dream Adventure and More Maggie Adventures.

Appearance
Grumposaurus is a huge Grumpy Cat.

Appearances (major roles in bold)

 * Maggie's Dream Adventure
 * Episode 1 (More Maggie Adventures)
 * Episode 5 (More Maggie Adventures) (silent cameo)

Trivia

 * It is a huge Grumpy Cat.