There is more than one artist with this name:

1) German instrumental Post-Rock band.

Bandcamp

2) Japanese hardcore band from Kochi. Released "The Vagrancy of the Hell" 7" in 2002.
3) There is an other hardcore punk band from Japan. They collaborated in a split EP with a canadian crust/hardcore band: Hellbound.
4) A chill-out/new age project by S. Last.
5) Experimental electronic group, also known as Waves (CA).
6) Hip-hop band from Japan.
7) British disco band from the late '70s.
8) Folk rock band from New Zealand.
9) Another alias of John Olson playing experimental/minimal electronic music.
10) A rapper from South East London also goes by the name Wavey Tay

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Artist biography from last.fm