Baki = Jounin in-charge of the sand genin team

Genma = The examiner currently overseeing this round of the Chunnin exam

Kabuto = Orochimaru's right hand man, the adopted son of Konoha's chief medic. He fought Kakashi (well if you can call that fighting) at the hospital when Sasuke was lying in bed unconcious. If you still don't remember you sure your watching Naruto ?