Because you like Daisy Buchanan in The Great Gatsby

After alien Haruko rides in on her Vespa, giant robots spouting from Naota Nandaba's forehead soon become the least of his worries. See them in FLCL.

Randy Marsh is a geologist and Nobel Prize winner who is into binge drinking, starting riots, the Food Network, and P.F. Changs. See them in South Park.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.

Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.

If Yuri Katsuki can boost his confidence, he will win over the crowds with his artistry. See them in Yuri on Ice.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.

The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.

The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.

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