Because you like Shippo in Inuyasha
Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).
Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.
Ichigo Kurasaki is a short-tempered, strong-willed teen who is deeply protective of those he loves. See them in Bleach.
Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.
Aerith Gainsborough has lived a simple life, but when the world is threatened she's willing to step up and do whatever she can to help. See them in Final Fantasy Series.
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.
The only defense Earth has against alien invaders are giant robots in the hands of pilots like Kaworu. See them in Neon Genesis Evangelion.
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
When you live your life in public, like Mima Kirigoe, it's hard to know who you really are. See them in Perfect Blue.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Whatever Sakura Haruno lacks in power, she makes up for in intelligence and bravery. See them in Naruto.
Rarity has been dreaming of the day her designs will dazzle Canterlot. See them in My Little Pony.