1.  You've been on an episode of Superfriends... as a Super Villain
2.  You have ever threatened any person, place, or thing with a nuclear ray gun
3.  You have your hardrive filled with plans for world domination
4.  You have ever said 'And I would have gotten away with it, too, if it weren't for those darn kids!"
5.  You associate with all the evil alter egos.
6.  You have a high pitched, maniacal laugh.
7.  You live in a deserted fun house, haunted house, or futuresticcally decorated volcano.
8.  You never finish lists.