Because you like Minerva McGonagall in Harry Potter Series

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.

Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.

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.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.

Hughie Campbell didn't ask to be a hero, but he's tired of injustice. See them in The Boys.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

Sam Weir lives for the simple things in life: watching Saturday Night Live and reading comic books. See them in Freaks and Geeks.

Butters Stotch is a kind-hearted student who likes ladybugs, Charlie's Angels, art class, baby-back ribs, and Little Bunny Foo Foo. See them in South Park.