Because you like Jack Skellington in The Nightmare Before Christmas

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.

Dipper Pines is investigating a truly strange town during the world's wildest summer vacation. See them in Gravity Falls.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

A jaded skeptic who only wants to get paid, Garrett becomes involved in bigger struggles that force him to be less self-serving. See them in Thief.

Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.

Mr. Robot always seems to know what to do when others are lost. But can he be trusted? See them in Mr. Robot.

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.

Reclusive, quiet, and seemingly emotionless, Lain Iwakura feels like an outsider in her hyper-connected world. See them in Serial Experiments Lain.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.