|Planet of origin||Earth|
|First appearance||"The Mutants Are Revolting" (6ACV12)|
|Voiced by||John DiMaggio|
Even for being a mutant, the Colonel looks only slightly like a human. He looks like a human-size six-eyed frog, with a long, strong tongue he can use as a hand. He wears a beaten down colonel uniform, which alongside his nickname suggest he was a colonel before being banished to the sewers.