Information in this article is about real-life people, companies, and objects, which do not relate to the in-universe Sonic series. |
Keiichi "!" Sugiyama (杉山 圭一 Keiichi Sugiyama?) is a former Sega employee who has done work for the 'Sonic the Hedgehog series.
History[]
Sugiyama is currently affiliated with Studiio Qareeb.
Credits[]
Soundtracks[]
Albums[]
External links[]
- Keiichi Sugiyama on Wikipedia (french)
- Keiichi Sugiyama's second Wave Master profile (archived by the WaybackMachine)