1. How to Train Your Dragon 2 (2014) - Snotlout (voice) 2. 21 Jump Street (21 Jump Street) (2012) - Scenarist 3. 21 Jump Street (21 Jump Street) (2012) - Schmidt 4. Neighborhood Watch (2012) - Actor 5. MTV Video Music Awards 2011 (2011) - Himself - Presenter 6. Dragons: Gift of the Night Fury (2011) - Snotlout (voice) 7. The Sitter (The Sitter) (2011) - Noah Jaybird 8. Moneyball (Moneyball: Arta de a învinge) (2011) - Peter Brand 9. 2010 MTV Movie Awards (2010) - Himself - Presenter 10. Get Him to the Greek (2010) - Aaron Green

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11. Megamind (2010) - Hal Stewart / Titan / Tighten (voice)

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12. How to Train Your Dragon (Cum să îţi dresezi dragonul) (2010) - Snotlout (voice)

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13. Nickelodeon Kids' Choice Awards 2010 (2010) - Himself 14. Cyrus (2010) - Cyrus

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15. Funny People (2009) - Leo Koenig 16. Night at the Museum: Battle of the Smithsonian (O noapte la muzeu 2) (2009) - Brandon / Brundon the Security Guard (uncredited)

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17. Night at the Museum: Battle of the Smithsonian (2009) - Brundon the Security Guard 18. The Invention of Lying (2009) - Frank 19. Strange Wilderness (2008) - Cooker

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20. Horton Hears a Who! (Horton) (2008) - Tommy (voice)

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21. Forgetting Sarah Marshall (2008) - Matthew the Waiter

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22. The Price of Pleasure: Pornography, Sexuality & Relationships (2008) - (archive footage) 23. Evan Almighty: Becoming Noah (2007) - Himself 24. Superbad (2007) - Seth 25. Evan Almighty: Steve Carell Unscripted (2007) - Himself 26. Knocked Up (2007) - Jonah

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27. Rocket Science (2007) - Junior Philosopher

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28. Evan Almighty: The Almighty Green Set (2007) - Himself 29. Evan Almighty: Training the Animals (2007) - Himself 30. Evan Almighty (2007) - Eugene

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31. Walk Hard: The Dewey Cox Story (2007) - Older Nate (uncredited)

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32. Click (2006) - Ben Newman at 17 Years Old

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33. "Clark and Michael" (2006) - Derek 34. "The Late Late Show with Craig Ferguson" (2005) - Himself (4 episodes, 2007-2011) 35. The 40 Year Old Virgin (2005) - eBay Customer 36. I Heart Huckabees (2004) - Bret 37. "Ellen: The Ellen DeGeneres Show" (2003) - Himself - Guest (2 episodes, 2011-2012) 38. "Late Show with David Letterman" (1993) - Himself / ... (6 episodes, 2007-2011) 39. "Late Night with Conan O'Brien" (1993) - Himself (4 episodes, 2006-2008)

1. Won the role of Seth over Bo Barrett in Superbad (2007), and also replaced Philip Seymour Hoffman in Moneyball (2011).

2. Is friends with Dustin Hoffman's children Rebecca and Jake (which is how he found out about the role in I Heart Huckabees).

3. Studied drama at New School University.

4. Was ranked #21 on Entertainment Weekly's '30 Under 30' the actors list. (2008).

5. His brother (Jordan Feldstein) manages the band Maroon 5.

6. Enjoys the films of Woody Allen.

7. Was roommates with Justin Long after meeting on the TV show "Campus Ladies" (2006).

8. His top five favorite films are Rushmore (1998), The Big Lebowski (1998), Boogie Nights (1997), Back to the Future (1985) and Goodfellas (1990). (2010)

9. Has a tattoo on his left forearm that reads "Nancy Rules". It is a tribute to his grandmother.