Because you like Haruko Haruhara in FLCL

Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.

Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.

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

Trying to get through school without being a burden to anyone, Tohru Honda stays cheerful despite her difficulties. See them in Fruits Basket.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

Raz is a 10-year-old boy who mostly stays in his own head, which makes sense since that's where he is strongest. See them in Psychonauts.

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.

Juliet Starling is a cheerleader by day, gleefully unhinged zombie killer by night. See them in Lollipop Chainsaw.

Yuki Cross is a cheerful, funny, bold young woman with hidden insecurities. See them in Vampire Knight.

Living with a curse, Kyo Sohma is sick of being treated like garbage his whole life. See them in Fruits Basket.

A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.

Kazuma Kiryu's legendary strength and exploits have earned him the nickname of Dragon of Dojima. See them in Yakuza.