Mario & Sonic at the London 2012 Olympic Games Rival: Dr. Eggman Nega

Enjoy! First match against this rival. He can be faced again in Dream Fencing in the rematch. Mario & Sonic at the London 2012 Olympic Games music that has been extended to play for at least 15.5 minutes. Developer(s): Sega Sports Japan . Dr. Eggman Nega Rival Boss. Taking Requests. 0:00 - Dry Bones 2:15 - Omega 3:46 - Eggman Nega 5:21 - Birdo.