I count 3, but there might be more.
1st. Micheal Rutter 2011 TT Zero Winner (GBR)
8th. Micheal “Barney” Barnes 2010 North American TTXGP Champion (USA)
18th. Mark Miller 2009 IoM TTXGP, 2010 TT Zero Winner, 2011 TT Zero Runner-up (USA)
Apparently, a requirement is that your first name start with the letter “M”. Well that’s me out of the running. 😀