Because you like Walter White, Jr. in Breaking Bad
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Columbus can't trust anyone. The first girl he let into his life tried to eat him. See them in Zombieland .
Often the one to deliver bad news to the families of victims, Jennifer Jareau isn't sure this is what she signed up for. See them in Criminal Minds.
Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
Community-driven but practical, Calvin Palmer is a natural leader even if he doesn't always see it. See them in Barbershop.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Can you be reckless and still be in control? Neil McCormick hopes so. See them in Mysterious Skin.
Killua Zoldyck is so tired of killing. He just wants to be a kid, hanging out and doing stuff with his friends. See them in Hunter x Hunter.
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.
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.