Megamind's Lair

Megamind's Lair (formerly called "Evil Lair"), located at the outskirts of Metro City, is the home of Megamind and Minion. It is an abandoned warehouse with a fake observatory on the top. The secret entrance to the lair has graffiti on it that says "GO AWAY! NOBODY LIVES HERE!" among other things.

Trivia

 * Part of the graffiti on the wall of the Lair says "Kilroy was here".