Because you like Marshall Eriksen in How I Met Your Mother

All of Tate Langdon's obsessions are dangerous. See them in American Horror Story.

Underneath Fakir's sarcastic exterior is a loyal friend. But his loyalty borders on being possessive of his friends. See them in Princess Tutu.

Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.

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.

Wei Wuxian is the most charming and fun necromancer around. See them in The Untamed.

Don't let his old age fool you, Heihachi Mishima is a ruthless pragmatist who values self-reliance above all else. See them in Tekken .

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

Rue is an icy prima ballerina whose obsession with perfection obscures a hidden desire to be loved. See them in Princess Tutu.

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.

Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.

Everything is handed to Sarah Cameron on a silver platter. The problem is that she doesn't want any of it. See them in Outer Banks.