Originally a "That Guy" who got his start in James Bond flick Tomorrow Never Dies, Gerard quickly climbed through the ranks until the memorable lines "Tonight we dine in hell!" and "This... is... Sparta!" from 300 made his a household name; and Jon is the owner of an Arena league football team. Oh yeah, and the lead singer for prolific rock group Bon Jovi.

Who's it gonna be? Gerard or Jon? Vote!

The schedule:
First Round Voting: March 19-22
Second Round Voting: March 23-25
Sweet 16 Voting: March 26-28
Elite Eight Voting: March 29-31
Final Four Voting: April 1-3
Championship Voting: April 4-6
The champion will be announced on April 7th!

Check out the full bracket of all 64 Male Celebs here, you can even print it out and keep track of winners & losers!