Because you like Krusty The Clown in The Simpsons

Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.

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.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Clank is the quintessential rational, intelligent robot sidekick. See them in Ratchet & Clank.

A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

For Louie C.K., comedy is tough but fatherhood is even tougher. See them in Louie.

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

Who needs friends when you're the King of Duelists? See them in Yu-Gi-Oh! .

Spike is punk meets vampire meets romantic poet. See them in Buffy the Vampire Slayer.

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.