From Sonic Retro
<forumuser name="D.A. Garden" /> D.A. Garden is a member of the Sonic Retro community. He joined on the 25th of June 2008 after lurking for several years.
He created the hack Sonic the Hedgehog - Westside Island, which was released on July 3rd, 2008.
From August 2008 to June 2009, he had been working on several projects on and off, but none had come close to completion. Most of these were scrapped and given to the public in there final state.
He is currently working on an untitled Sonic 3 and Knuckles hack, which has been ongoing since July 2009. When it will be completed, though, is anyone's guess.