The Taxman
From Sonic Retro
<forumuser name="The Taxman" /> The Taxman is a longtime Sonic scener and creator of the infamous Retro Sonic fangame engine, which exhibits a very accurate representation of the classic Sonic engine on the x86 platform. He also created a page documenting the Sonic CD 510 Beta.
He is currently working on Retro Sonic XG with Sir Euan, and on Sonic Nexus.