Because you like Nick O'Leary in Nick and Norah's Infinite Playlist

Kyoya Ootori is possibly the only person who could reasonably go from VP of a school club to ruling the world. See them in Ouran High School Host Club.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

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

Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.

Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.

Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.

Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.

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

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