Like his female friend and companion, Erika, Walker is a very passionate otaku and manga reader. He and Erika are nearly always together. He also likes to perform torture by letting the victim choose a light novel or manga, and carrying out the contents. He seems to be carefree. He also keeps a wide dumb smile most of the time. But this smile can hide more than people can see at first glance. Like Erika he is a very mysterious person. ~!He is a member of the anonymous online gang Dollars. He was also a member of Kadota's gang and an ex-member of the Blue Squares.!~
