Because you like Big Bird in Sesame Street

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

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.

Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.

An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.

Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.