http://www.imdb.com/name/nm0424909/  Too many of the David Johnson variant to wade through, so here goes.

David D. Johnson: 25 confirmed
All the Way (by me)
Austin Powers in Goldmember (by ninehours)
Austin Powers: The Spy Who Shagged Me (by ninehours)
The Campaign (by bigdaddyhorse)
Clear History (by T!M)
Daddy Day Care (by LKanne)
Dinner for Schmucks (by me)
Dodgeball: A True Underdog Story (by me)
The Empty Mirror (Producer credit as well) (by me)
Game Change (by bigdaddyhorse)
I Now Pronounce You Chuck and Larry (by me)
The Love Guru (by bigdaddyhorse)
Meet the Fockers (by me)
Meet the Parents (by me)
Kicking and Screaming (by ateo357)
Mystery, Alaska (by me)
National Security (by ateo357)
Recount (by T!M)
School For Scoundrels (by T!M)
Starsky & Hutch (2004) (byT!M)
Take Me Home Tonight (by ninso4)
Tenacious D and the Pick of Destiny (byT!M)
Trumbo (by me)
We're the Millers (by me)
Zoolander (by T!M)



David Johnson: 2 confirmed
Austin Powers: International Man of Mystery (by mreeder50)
The Benchwarmers (by me)


Dave Johnson: 3 confirmed
Charlie Bartlett (by ateo357)
Pineapple Express (by RAPMAN)
Semi-Pro (by T!M)