The Tick vs. Skull, Canada

The Tick vs. Skull Canada introduces a new villain, The Bald Skull, who is the leader of a small nation called Skull Canada which is on the border of Canada and Michigan. At the beginning of the episode, the Bald Skull (who has no skin on his face, so he looks like a skull but he wears a toupee) steals the President's face. Tick and Arthur join up with American Maid to try to go to Skull Canada to get it back.

Once there, they of course get separated. Tick gets involved with a group of revolutionaries who are led by The Moose (actually 2 men in a moose costume; 1 in front and 1 in back) but the back end of The Moose ws captured by the Bald Skull and is imprisoned in the Skull Canadian palace prison. Tick becomes the rear end of the Moose and rallies the revolutionaries to fight (insert rear end of moose jokes here)

Arthur, meanwhile, gets captured and put in prison with the real moose's rear end. American Maid manages to infiltrate the palace, but once there she has to face...Skull Canadian Maid, her evil twin sister.

I even have a line from this one; "Hey, Bald Skull--you can't cover up all that bald ugly with a toupeé...you need a whole FACE-PEÉ!" (The Tick, of course)