Pirate Radio DJ

Pirate Radio DJ (海賊ラジオDJ) is a minor character in Toaru Kagaku no Railgun. He runs a pirate radio station in Academy City. Misaka Mikoto, Shirai Kuroko, Kihara Nayuta, and Hamazura Shiage are notable listeners of his radio station.

Appearance
A small part of his body is shown wearing a black shirt. He wears a headset with mic.

Daihasei Festival Arc
A small part of his body is shown wearing a black shirt during the the three-legged race in which Misaka Mikoto and Kongou Mitsuko compete in. He was a commentator along with Kumokawa Seria, referring to himself as "Friendly Neighborhood Pirate Radio DJ".

Trivia

 * Due to an earthquake during his broadcast, his radio station is likely located near the School District 19.