Because you like Hal Wilkerson in Malcolm in the Middle
Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.
Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.
Fiona Gallagher wants to be able to give her siblings everything that they deserve because her parents aren't going to do it. See them in Shameless.
An alien living in a temple shaped like a giant woman, Pearl enjoys ballet, fencing, and using her magical spear. See them in Steven Universe.
Walter White's knowledge of chemistry allows him to cook astoundingly pure meth, leading to a rapid – albeit tumultuous – rise in the criminal drug world. See them in Breaking Bad.
Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.
It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.