Tomoya Ohtani (大谷智哉) is a Sega sound composer who joined the company in the late 90s and has created the music for games such as ChuChu Rocket!, Space Channel 5 Part 2 (alongside Naofumi Hataya & Kenichi Tokoi) and Billy Hatcher and the Giant Egg (alongside Mariko Nanba). He was also the sound director for Sonic the Hedgehog 2006, Sonic Unleashed, Super Monkey Ball: Step & Roll, and Sonic Lost World.