Because you like Stephanie Tanner in Full House

Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.

Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.

Tony Stark's interests include cocktails, beautiful women, particle physics, and saving the world. See them in Marvel Cinematic Universe.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

They say Babydoll has lost her mind. But why does it seem like she's the only sane one in her institution? See them in Sucker Punch.

Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.

Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.

As a scaring Assistant, Mike Wazowski frightens children to collect their screams to be used as a power supply for the city. See them in Monsters, Inc..

Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.