Because you like Kagami Hiiragi in Lucky Star

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

Stefan Salvatore was the golden boy when he was alive. Can he keep it up as a vampire? See them in The Vampire Diaries.

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.

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.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.

Donna Meagle has a Benz, a fool-proof strategy to pick up men, and the number for R&B star Ginuine's direct line. Enough said. See them in Parks and Recreation.

Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.