Because you like Marshall Eriksen in How I Met Your Mother

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

Sebastien Michaelis is a demonic butler who approaches life with effortless finesse and a diabolical streak. See them in Black Butler.

The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.

Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.

Misato Katsuragi is never without a beer in her hand or her pet penguin by her side. See them in Neon Genesis Evangelion.

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

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