Because you like Alison DiLaurentis in Pretty Little Liars
Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..
Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Offred wisely keeps her head down even as she hopes for more. Unfortunately, hope is dangerous in Gilead. See them in The Handmaid's Tale.
Lily Aldrin is a flaky but supportive kindergarten teacher and painter. See them in How I Met Your Mother.
Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.
Sabrina Spellman is half-witch-half-human, a headstrong and loyal cheerleader with an affinity for spell-making. See them in Chilling Adventures of Sabrina.
George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.