Because you like Serena van der Woodsen in Gossip Girl
A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Impassive, overly literal, and a little short on people skills, Angel dedicates her life to enforcing the rules. See them in Angel Beats!.
Edward Elric has a quick mind along with a quick temper. See them in Fullmetal Alchemist.
A vain and arrogant womanizer, Roy Mustang has hidden depths. See them in Fullmetal Alchemist.
A powerful dragon-hunting warrior, Dovahkiin is destined for great things. See them in The Elder Scrolls V: Skyrim.
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.
A benevolent madman with a blue box, The Doctor is traveling through time and space to heal the wounds of the universe. See them in Doctor Who.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.