Mitch Lanfield & Chris O'Shea
Here are links to the boards
http://humanoidwake.com/gear/
BTW, I have ridden the oracle, plank, huxtable, o'shea (boat board). (have also ridden the Windsor, Whip, Shredtown, Terrain, Reflex, Recoil)
And my local wake park has both humanoid & slingshot boards... I have definitely repaired more slingshot then humanoid.