Because you like Emmett Brown in Back to the Future

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.

White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.

Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.

He may forget his homework, lose his toad, and fall off brooms, but Neville Longbottom can also single-handedly destroy villains. See them in Harry Potter Series.

Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

Goh Peik Lin is funny, unfiltered, and a fiercely supportive friend. See them in Crazy Rich Asians.

Gene Belcher dreams of a future in the limelight, and he doesn't let his lack of talent hold him back. See them in Bob's Burgers.

Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.

A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.