Because you like Greg Focker in Meet the Parents

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.

Anger-filled, merciless, and tortured, Kylo Ren is always at war—with the Rebel Alliance, and with himself. See them in Star Wars Series.

A house elf, Dobby is loyal, compassionate, and yearning for freedom. See them in Harry Potter Series.

Bumbling, jolly, and loyal, Rubeus Hagrid has the uncanny ability to make the best of a bad situation. See them in Harry Potter Series.

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

George Weasley likes to invent quirky joke products, play Quidditch, and cause poor Mrs. Weasley a lot of anxiety. See them in Harry Potter Series.

Nancy Wheeler is popular but independent, sheltered but gutsy. See them in Stranger Things.

Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.

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

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.