Izaya Orihara (折原 臨也, Orihara Izaya)
A young man who sells information for his own enjoyment. He claims to love the entire human race except for Shizuo Heiwajima, and exhibits said love by putting humans in often miserable conditions and observing their reactions.
He attended Raira Academy with Shizuo, Shinra and Kadota. According to Shinra, Izaya and Shizuo hated each other with a passion almost from the point they met. In the novels Izaya framed Shizuo for crimes on several occasions.
He is a master of parkour, and also quite skilled with his flickblade (the blade he uses must be slightly opened before the mechanics of it springs the blade open - a switchblade will open on its own after the user presses a switch) as he is implied to be the only one capable of leaving numerous cuts in Shizuo's bartender suit after a fight in the novels. In the anime, he shaves a gang member's head bald without him noticing it.It is revealed at the end of episode 12 that he has the head of Celty.
He has two twin sisters who are troublemakers. The older one is Orihara Kururi, a shy girl who always wears gymnastic suit. The youngest is Orihara Mairu, a talkative girl who wears glasses. In the novel, Izaya confessed to Namie that he himself couldn't handle his sisters, and his sisters' characters were because of his influences; since Izaya said that he came from a perfectly normal family.
He is usually seen pretending to be female online and talks in a feminine manner in the chat room. His screen-name is "Kanra".
