Because you like Max Fischer in Rushmore
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
Yoda is wise, patient, and capable of kicking ass. He's done his best to mentor young Jedi and protect the balance of Light and Dark. See them in Star Wars Series.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.
This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.
After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.
Xena's a warrior on a redemptive quest who excels in extreme sports and uses a whip to block axes in mid-air. See them in Xena Warrior Princess.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.