Because you like Robert Chase in House M.D.

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Humble, caring, and protective, Scott McCall tries to make the best of his newfound status as a werewolf. See them in Teen Wolf.

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Phoebe Halliwell is a bestselling author and martial arts master with power of premonitions. See them in Charmed.

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.

Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.

The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.

Will Turner is an earnest, lovelorn blacksmith's assistant with an adventurous spirit. See them in Pirates of the Caribbean: the Curse of the Black Pearl.