Because you like Clementine Kruczynski in Eternal Sunshine of the Spotless Mind

He's the great Black Star, and he's come to assassinate you. See them in Soul Eater.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

Dazai Osamu's last goal in life would be to commit double suicide with a beautiful woman. Unfortunately, no one he meets seems to share the same interest. See them in Bungou Stray Dogs.

All who live know his name, and all who oppose him shall know Death. See them in Darksiders Series.