Because you like Drusilla in Buffy the Vampire Slayer
Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.
Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
Tidus is upbeat, carefree, and desperate not to become his father. See them in Final Fantasy Series.
Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.
Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.
Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.
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.