Yuji Naka
In "Virtua Striker 3" and the GameCube port, "ver. 2002", there is an unlockable team called FC Sonic. This team is made up of Sonic, Tails, Knuckles, Amy, Dr. Eggman (who plays as the goalkeeper), four Neutral Chao, a Dark Chao, and a Hero Chao, and has Sonic's creator, Yuji Naka, as manager.