Because you like The Janitor in Scrubs

If Anna Liebert could remember her past, maybe she would know who she is. See them in Monster (TV Show).

Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.

Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.

A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.

Willow Rosenberg may be a witch who can defeat the forces of evil, but she still gets emotional over kittens on the Internet. See them in Buffy the Vampire Slayer.

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.