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1 definition by GameBuddy

 
1.
A robotic version of the animals called Chao in Sonic the Hedgehog games. His main function is to serve as a tutorial character and also provides hints in game stages.
He/she has appeared in Sonic Adventure 2, Sonic Heroes, Sonic Advance 3, and Sonic Riders.
"Hi, I'm Omochao!"
by GameBuddy August 26, 2006