Because you like The Janitor in Scrubs

He's an everyday earthworm turned intergalactic hero. See them in Earthworm Jim.

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

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.

A self-proclaimed diva, Mercedes Jones is on the hunt for a stage worthy of her talents. See them in Glee.

Osha is a savvy Wildling in an increasingly wild world. See them in Game of Thrones.

Born into luxury, Sybil Crawley wants to find real purpose and meaning in her privileged life. See them in Downton Abbey.

The Kid doesn't talk. He just acts with determination. See them in Bastion.

Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.

Ahape-shifting dog, Jake is the last man's best friend. See them in Adventure Time.

Lilo is an Elvis-loving, troublemaking, imaginative little girl. See them in Lilo & Stich.

Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.