Kawazaki

Kawazaki (川崎) is a minor character in Toaru Kagaku no Railgun. He is part of a group of thugs who sell the Level Upper to others, and is also one of its users.

Level Upper Arc
Using his real name on a message board, his post helps Misaka Mikoto and Shirai Kuroko's investigation into the Level Upper by linking him to the gang he's part of.