Because you like Peter Venkman in Ghostbusters

T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.

There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..

R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.

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

In constant agony, Ava Starr will do anything to give up the superpowers that are slowly killing her. See them in Marvel Cinematic Universe.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.

This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.