Because you like Gus Fring in Breaking Bad
Rick Dalton is an aging actor with insecurity issues. See them in Once Upon a Time in Hollywood.
There must be quite a lot of fellows who haven't got anybody to bring them tea in the morning. Bertie Wooster is lucky to have his valet, Jeeves. See them in Jeeves and Wooster.
Scooby-Doo always keeps his priorities in order: eat snacks first, solve mysteries later. See them in Scooby-Doo.
Kelly Kapoor's interests are office gossip, pink (the color), Pink (the singer), snow cones, the temp Ryan, and "basically, anything that is awesome." See them in The Office.
Yuri is living in the afterlife, which takes the form of a high school where no one dies. But if you follow the school's rules and live a "normal" life you vanish. See them in Angel Beats!.
Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.
Mike Wheeler loves Dungeons and Dragons, even after his real life starts imitating the game. See them in Stranger Things.
Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.
Kind and friendly, Rinoa Heartilly is nonetheless an effective freedom fighter. See them in Final Fantasy Series.
Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.