Because you like Ed Mercer in The Orville
Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.
Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.
T'Challa is a regal superhero with the weight of the world (and particularly his nation) on his shoulders. See them in Marvel Cinematic Universe.
Eddie Brock is a big-hearted investigative journalist who is going through the world's weirdest identity crisis. See them in Venom.
Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
It's time somebody has to take over. It might as well be Fish Mooney. See them in Gotham.
If Eleanor Shellstrop's true identity is revealed, she'll be sent to The Bad Place. See them in The Good Place.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.