Because you like Katara in Avatar: The Last Airbender
Somehow all of Lara Jean Covey's past crushes know everything she's ever felt about them. Embarrasing? Yes, but hey, now she has a boyfriend. See them in To all The Boys I've Loved Before.
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.
Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Nozomu's name translates to despair, which is fitting for him. See them in Sayonara, Zetsubo Sensei.
Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.
Emily Gilmore is the DAR chair, proud grandmother, and full of opinions. See them in Gilmore Girls.
For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.
Elizabeth Harmon loves to win at chess, but competitive pressure and her past are taking a toll. See them in The Queen's Gambit.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Klaus Hargreeves is funny, flirty, and high at any given moment, but he's also the most emotionally literate of his super-powered siblings. See them in The Umbrella Academy.
