|This needs a stretch. (Feel free to remove when satisfied of completion.)|
* Physical appearance.
* History is incomplete.
Monster Mutt is a cartoon character, the enemy of Hero Hound.
It's a humanoid dog and it wears a purple suit with a green "M", a green cape and a purple mask.
Insert details here.
The New Scooby-Doo Mysteries
Dimwittie the studio guard (really a master spy) brought him to life as a disguise in order to steal rocket secrets.