The lions come from strange animal-shaped toys with interchangeable heads.
Virgins, Stormtroopers, and skulls.
The alien from the film Invasion of the Saucer Men, although someone said it looked like "Mysterious alien poop from outerspace."
The bounty hunters from The Empire Strikes Back: Bossk, Zuckuss, Dengar, 4-LOM, and the Virgin Mary.