Omochao (オモチャオ Omochao?) is a robotic Chao with a propeller on its head. Its name is a portmanteau of the Japanese word omocha, meaning "toy", and Chao. In some games he is renamed Robochao in English, but he is always called Omochao in Japanese.

Omochao is featured in the games Sonic Adventure and Sonic Adventure 2 for Sega DreamcastSonic Adventure DXSonic Adventure 2 Battle for the GameCubeSonic Pinball PartySonic Battle, and Sonic Advance 3, for the Game Boy Advance, and the multi-console games Sonic HeroesShadow the HedgehogSonic RidersMario And Sonic At The Olympic Winter GamesSonic Free Riders, and Sonic Generations. He also appears as a guide in Sonic and the Secret Rings' Party Mode menu.


Pre-Super Genesis Wave