Chao (Sonic)
A Chao (チャオ?) is a fictional life form in the Sonic the Hedgehog video game series published by Sega. Chao made their first appearance in the 1998 Dreamcast game Sonic Adventure as digital pets. They have since appeared in several video games in the Sonic the Hedgehog series as digital pets, minor characters, and gameplay elements. They have also appeared in games outside the series, and the Sonic X anime. Chao have been featured in promotions and merchandise, and generally well received by critics such as IGN and GameSpot.
Read more about Chao (Sonic): Conception and Characteristics, Appearances