Biography
1) Optimystic was a Scottish pop music group from the ’90s that consisted of brothers Ian & Stuart McKeith, Bryn Downing, Shola Finni and Selina Charlier. They were signed by Clive Black to Warner Bros. Records in 1993.
2) OptiMystic, aka OptiMystic MC, is a rapper from Rockingham, Australia. He's actually called Matt Campbell.
Biography text from Last.fm, available under CC BY-SA.