Because you like C3PO in Star Wars Series

Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

Luis is a deliverer of silver linings and long-winded stories. See them in Marvel Cinematic Universe.

C is for cookie, and that's more than good enough for him. See them in Sesame Street.

Dash Parr's super speed helps with his impatience. See them in The Incredibles.

Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

A monstrous pirate captain, Davy Jones is quite literally heartless. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.