Maturin
Sköldpadda
I've played a couple of versions of Fluxx. The Monty Python one annoyed the hell out of me because of the Speak in a Funny Accent card.
Two of my friends have that, but I've yet to try it. I've played Adventure Time, and own Firefly Fluxx which are the most recently released versions. Thinking it would be like themed Monopoly games, I was really surprised at how different the decks are. The Surprise cards that you can play out-of-turn are awesome and couldn't imagine playing without them now.