Because you like Boomerang in DC Extended Universe
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Iris West is a barista and blogger determined to expose a secret. See them in DC Extended Universe.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.
A loyal assistant to Nelson and Murdock, Karen Page has a way of finding trouble. See them in Marvel Cinematic Universe.