Godzilla! Batman! Jackie Chan! Chuck Norris! Shaq! Doc Ock! A Care Bear! Good guys, bad guys and explosions, in The Ultimate Showdown. Watch it now.
Art and animation by Shawn Vulliez
Music and lyrics by Neil Cicierega
(Yes, I have linked to this on the sidebar, but felt it deserved its own post. I love what these guys do with Flash.)