Louis de Pointe du Lac...the hauntingly beautiful and tragic friend/lover/apprentice to Lestat de Lioncourt (a.k.a. The Vampire Lestat) of Anne Rice's Vampire chronicles. He may be flawed but we still love him.
"Louis, Louis...still whining after all these years! Have you heard enough of that...I have! I've been listening to it for centuries." - Lestat de Lioncourt, Interview with the Vampire