Because you like Doogie Howser in Doogie Howser, M.D.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.

A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.

Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.

Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.

Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.

Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.

A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.