Because you like Walter Bishop in Fringe

A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.

Pepper Potts can run a company, manage an egomaniac, and take down bad guys, all without breaking a sweat. See them in Marvel Cinematic Universe.

A good guy who's made some bad choices, Scott Lang is driven in his quest for redemption. See them in Marvel Cinematic Universe.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

Sokka is the group's self proclaimed comedian, occasionally he'll even make people laugh! See them in Avatar: The Last Airbender.

April Ludgate doesn't like sunshine. She's more of a blood and guts kinda girl. See them in Parks and Recreation.

Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.

A meticulous forensic scientist, Edward Nygma is insanely good at his job. Emphasis on the "insane" part. See them in Gotham.

A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.

The Genie is the perfect buddy, granting every wish we might have and keeping life good-spirited. See them in Aladdin.

Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.

Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.