Hiroshi Kawaguchi - is a video game composer. Hiroshi Kawaguchi began his career in 1993 and has worked for companies such as SEGA and Sonic Team. Hiroshi Kawaguchi's first game was SegaSonic the Hedgehog which was released 30 years ago. Best Game Hiroshi Kawaguchi contributed to was SegaSonic the Hedgehog. Hiroshi Kawaguchi's latest work is SegaSonic the Hedgehog which was released 30 years ago.