Because you like Frank Reynolds in It's Always Sunny in Philadelphia
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Aldo Raine is in the killing Nazi business. And as he says, business is a-boomin'. See them in Inglourious Basterds.
Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
A devoted butler, Alfred Pennyworth is both a fiercely protective guardian and a lethal gunman. See them in Gotham.
One of Freddie Mercury's songs is "We Will Rock You." And does he ever! See them in Bohemian Rhapsody.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.