Siva "Anarchist in the Library" Vaidhyanathan sez, "I am working on a book about Mickey Mouse in American culture. It's a broad survey of the ways the Mickey image means different things in different contexts. This corporate spokesmouse is much more than a cartoon character. Can someone tell me more about the origins of these two images?"
The black light hippie Mickey shirt
And the "Hey Iran" Mickey, giving the finger to the Ayatollah, circa 1980:
(Thanks, Siva!)