Hiroyuki Kawaguchi - is a video game artist. Hiroyuki Kawaguchi began his career in 2011 and has worked for companies such as Blit Software, Christian Whitehead and SEGA. Hiroyuki Kawaguchi's first game was Sonic CD which was released 13 years ago. Best Game Hiroyuki Kawaguchi contributed to was Sonic CD. Hiroyuki Kawaguchi's latest work is Sonic CD which was released 13 years ago.