Because you like Tara Maclay in Buffy the Vampire Slayer

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.

Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.

Fox McCloud leads a team of pilots through the Lylat System in search of the evil genius Andross, the villain that killed his father. See them in Star Fox.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

Yukiteru is a reclusive observer who would rather watch life go by than participate in it. See them in The Future Diary.