In an alternate universe, Elmo is a smack-talking jerk who is rude to the other Sesame Street residents.

It's...uh...a blonde haired cat lying down on the floor?

A green haired person runs out of the shower. He is being covered by an enormous censor bar

Some tiny airplanes are about to crash land onto a sleeping Na'avi (from James Cameron's Avatar)

Kermit the Frog is riding on a train