The Glitch art (so far) has been created by the following amazing artists:
Kukubee - kukubee.com - avatars, items, houses, giants, the Rook, Groddle Forest/Meadow/Heights, Wintry Place, Eesti Life Catalogue, Rooks' Woods, Subway, Fireflex 3000 Lab
Corey Jackson - www.semulon.com - the original Groddle (no longer online) and 6 trees
Chris Leavens - chrisleavens.com - Ix
Zutto - zuttoworld.com - Uralia, Ilmenskie Caverns
Meomi - www.meomi.com - Shimla Mirch
Arbito - arbito.com - Rainbow Run, Snool
Jason Freeny - moistproduction.blogspot.com - Palindrone