10. Generous Dark Lords of the Sith pension plan
9. Sick and tired of mentor Obi-Wan Kenobi reciting lines from "Bridge Over the River Kwai"
8. To escape cruel taunting over dorky name
7. To impress the babes
6. Kicked in head by bantha
5. Misunderstood name, thought the "Dirk Side" was fan club for pretty-boy actor Dirk Benedict
4. Charmed by Emporer Palpatine's seductive after-shave
3. Wanted to use the Force to prop up Chrysler stock
2. Owed money to Jabba the Hutt, could refinance debt through the Empire
1. Wanted cool voice like James Earl Jones'