Because you like Jack Donaghy in 30 Rock
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
Ted Logan wants to party on, but if doesn't get an A+ on his history presentation, he'll flunk out and be sent to a military school in Alaska. See them in Bill & Ted's Excellent Adventure.
Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.
Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.
Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.
Jail hasn't broken Andy Dufresne's spirit, but will his spirit help break him out of jail? See them in The Shawshank Redemption.
Michael Bluth is the only sane person in a family of eccentrics. At least, that's how he thinks of himself. See them in Arrested Development.
Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.
Marinette Dupain-Cheng is a shy teenage girl, fashion designer, and superhero. See them in Miraculous: Tales of Ladybug & Cat Noir.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
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.