Is it Dave or David?

http://www.imdb.com/name/nm0152638/
Why he's got confirmed credits under both names for Con Air: http://www.invelos.com/Forums.aspx?task=viewtopic&topicID=281559&messageID=656199#M656199


Dave Chappelle:  9  (confirmed)

200 Cigarettes (confirmed by hallo-marvin)
Blue Streak (confirmed by SpaceFreakMicha)
Buddies
Chappelle's Show: Season 1:
Chappelle's Show: Season 2:
Chappelle's Show: The Lost Episodes:
Con Air (confirmed by tweeter)
Dave Chappelle: For What It's Worth
Dave Chappelle: Killin' Them Softly: Platinum Comedy Series
Dave Chappelle's Block Party
Def Comedy Jam: All Stars 4
Def Comedy Jam: All Stars 7
Half Baked (confirmed by RAPMAN)
Home Improvement: The Complete Fourth Season
Inside The Actors Studio: Dave Chappelle
Just for Laughs: Stand Up: Vol. 1: Best of the Uptown Comics
Kamikaze College (Getting In)
kanYe West: The College Dropout Video Anthology
Nutty Professor, The (confirmed by railroaded)
Real Blonde, The (confirmed by railroaded)
Richard Pryor: I Ain't Dead Yet, #*%$#@!!
Robin Hood: Men in Tights (confirmed by rorymatt)
Undercover Brother (confirmed by tweeter)
You've Got Mail (confirmed by SpaceFreakMicha)


David Chappelle:  2 (confirmed)

Con Air (confirmed by tweeter)
Dave Chappelle: For What It's Worth
Joe's Apartment
Nutty Professor, The
Screwed
Undercover Blues (confirmed by T!M)
Woo

Blue Streak ---> DAVE CHAPPELLE as "tulley"
You've got Mail --> Dave Chappelle as "Kevin"

Half Baked:
Dave Chappelle

200 Cigarettes - Dave Chappelle