Hiroyuki Kawaguchi - is a video game artist. Hiroyuki Kawaguchi began his career in 2011 and has worked for companies such as SEGA and Blit Software. Hiroyuki Kawaguchi's first game was Sonic CD which was released 12 years ago. Best Game Hiroyuki Kawaguchi contributed to was Sonic CD. Hiroyuki Kawaguchi's latest work is Sonic CD which was released 12 years ago.