My top 20. I have no idea what any of this says about me xD:

Fogell (McLovin) (Superbad): 82%
Hugo 'Hurley' Reyes (LOST): 80%
Rom (Star Trek: Deep Space Nine): 80%
Fez (That 70's Show): 80%
Raj Koothrappali (The Big Bang Theory): 80%
Lucy Moran (Twin Peaks): 79%
Craig Pelton (Community): 78%
Damian Leigh (Mean Girls): 78%
Charlie Pace (LOST): 76%
Bob Pinciotti (That 70's Show): 76%
Nelson Bighetti (Silicon Valley): 76%
Michael Scott (The Office): 75%
Andy Bernard (The Office): 75%
Howard Wolowitz (The Big Bang Theory): 75%
Hoban Washburne (Firefly + Serenity): 75%
Ziggy Sobotka (The Wire): 75%
Luna Lovegood (Harry Potter): 74%
Kelly Erin Hannon (The Office): 74%
Vince Masuka (Dexter): 74%
Reginald 'Bubbles' Cousins (The Wire): 74%

My HP universe top 5:
Luna Lovegood (Harry Potter): 74%
Arthur Weasley (Harry Potter): 73%
Moaning Myrtle (Harry Potter): 73%
Rubeus Hagrid (Harry Potter): 68%
Dobby (Harry Potter): 68%