Because you like Marlena Rosenbluth in Water for Elephants

An ironic hipster with a healthy dose of self-deprecation, Dave strives to be cool at all costs. See them in Homestuck.

Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.

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