Takashi Nasujima

Takashi Nasujima is one of villains of Durarara is teacher who is actually sinister teacher who used his female students as toys or sexually hassed them when he heard the sword Saika, he dicted Haruna Niekawa whom he relationship in order to blackmail Anri Sonohara who is owner before Masaomi Kida shows up and Takeshi left.

He was beaten when he tried mugged Shizuo Heiwajima (who hate violence)