Because you like Minerva McGonagall in Harry Potter Series

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

Puss In Boots is a suave, honorable ladies man/cat who's not above playing cute to get you to let down your guard. See them in Shrek 2.

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

Lloyd Dobler is a kickboxer wearing his heart on his sleeve who would do anything for the woman he loves. See them in Say Anything.

A good-natured and academically minded superhero, Dan Dreiberg can still get his hands dirty in a fight. See them in Watchmen.