Neal Patrick Harris(01 of46)
Open Image Modal"Harold & Kumar Go to White Castle" and "Harold & Kumar Escape from Guantanamo Bay" (credit:Getty)
Bob Barker(02 of46)
Open Image Modal"Happy Gilmore" (credit:Getty)
Steve Carell (03 of46)
Open Image Modal"Knocked Up" (credit:AP)
Sir Ben Kingsley (04 of46)
Open Image Modal"The Sopranos" (credit:Getty)
Mike Tyson(05 of46)
Open Image Modal"The Hangover" (credit:Getty)
Al Gore(06 of46)
Open Image Modal"30 Rock" (credit:Getty)
Bruce Willis(07 of46)
Open Image Modal"Ocean's Twelve" (credit:Getty)
Britney Spears(08 of46)
Open Image Modal"Glee," "Kenan & Kel," and "Sabrina The Teenage Witch" (credit:Getty)
Bill Murray(09 of46)
Open Image Modal"Zombieland" (credit:Getty)
Pamela Anderson(10 of46)
Open Image Modal"Borat: Cultural Learnings Of America For Make Benefit Glorious" (credit:Getty)
George Lucas(11 of46)
Open Image Modal"The O.C." (credit:Getty)
Topher Grace(12 of46)
Open Image Modal"Ocean's Eleven" and "Ocean's Twelve" (credit:Getty)
George Takei (13 of46)
Open Image Modal"The Big Bang Theory," "Party Down," "Psych," "Will & Grace" and "3rd Rock From The Sun" (credit:Getty)
John Malkovitch(14 of46)
Open Image Modal"Being John Malkovitch" (credit:Getty)
Oprah Winfrey(15 of46)
Open Image Modal"30 Rock" (credit:AP)
Ryan Seacrest (16 of46)
Open Image Modal"Knocked Up" (credit:Getty)
The Spice Girls(17 of46)
Open Image Modal"Spice World" (credit:Getty)
Alice Cooper And Band(18 of46)
Open Image Modal"Wayne's World" (credit:Getty)
Chuck Norris(19 of46)
Open Image Modal"Dodgeball: A True Underdog Story" (credit:AP)
Kelsey Grammer(20 of46)
Open Image Modal"30 Rock" and "Cheers" (credit:Getty)
Heather Graham(21 of46)
Open Image Modal"Sex And The City," "Scream 2," "Scream 4" and "Portlandia" (credit:Getty)
Donald Trump(22 of46)
Open Image Modal"Home Alone 2: Lost In New York" (credit:Getty)
Conan O'Brien(23 of46)
Open Image Modal"30 Rock," "The Office," "Bewitched," and "Vanilla Sky," (credit:AP)
Jessica Alba (24 of46)
Open Image Modal"Knocked Up" (credit:Getty)
Bruce Springsteen (25 of46)
Open Image Modal"High Fidelity" (credit:Getty)
Billy Idol(26 of46)
Open Image Modal"The Wedding Singer" (credit:Getty)
Sandra Bernhard(27 of46)
Open Image Modal"Will & Grace" and "Zoolander" (credit:Getty)
Shaq(28 of46)
Open Image Modal"Freddy Got Fingered," "Scary Movie 4," and "Curb Your Enthusiasm" (credit:Getty)
Joshua Jackson(29 of46)
Open Image Modal"Ocean's Eleven" (credit:Getty)
Jerry Seinfeld(30 of46)
Open Image Modal"30 Rock" and "Curb Your Enthusiasm" (credit:Getty)
Eva Mendes (31 of46)
Open Image Modal"Knocked Up" (credit:Getty)
Elvis Costello(32 of46)
Open Image Modal"Spice World" (credit:Getty)
Regis Philbin (33 of46)
Open Image Modal"Borat: Cultural Learnings Of America For Make Benefit Glorious" (credit:Getty)
Josh Groban (34 of46)
Open Image Modal"Glee" (credit:Getty)
Lance Armstrong(35 of46)
Open Image Modal"Dodgeball: A True Underdog Story" (credit:Getty)
Dax Shepard (36 of46)
Open Image Modal"Knocked Up" (credit:Getty)
Shane West (37 of46)
Open Image Modal"Ocean's Eleven" (credit:Getty)
Kevin Smith And Jason Mewes (38 of46)
Open Image Modal"Degrassi: The Next Generation" and "Degrassi Goes Hollywood" (credit:Getty)
Elton John(39 of46)
Open Image Modal"Spice World" (credit:Getty)
Bryan Williams(40 of46)
Open Image Modal"30 Rock" (credit:Getty)
Katee Sackhoff(41 of46)
Open Image Modal"The Big Bang Theory" (credit:Getty)
Andy Dick(42 of46)
Open Image Modal"Knocked Up" (credit:Getty)
Jean-Claude Van Damme(43 of46)
Open Image Modal"Friends" and "Las Vegas" (credit:Getty)
Lucy Liu(44 of46)
Open Image Modal"Sex And The City" (credit:Getty)
Megan Fox(45 of46)
Open Image Modal"The Dictator" (credit:Getty)
Celebs On "Entourage"(46 of46)
Open Image ModalToo many to count... (credit:Getty)