Because you like Rebecca Pearson in This Is Us
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
A formerly adventurous playboy, Will Traynor has become cynical by what life has thrown at him. See them in Me Before You.
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.
With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.
After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.
Michael Scofield is no criminal, and he didn't get jailed by accident. See them in Prison Break.
Alex Vause's tattoos and tough exterior cover the fact that she's just a girl with a really intense crush. See them in Orange Is The New Black.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.