Chao are small and cute cretures from Sonic's world.
|Series||Sonic the Hedgehog|
|First Appearance||Sonic Adventures|
|Skin Color||Light Blue, yellow|
|Eye Color||Dark Blue|
|Occupation||Artificial lifeform that can be raised as pet|
Chao (チャオ) are lifeform that can absorb and learn skills and traits from other life-forms, adapting its shape as it does resulting in vast variations in appearance, behaviour and personality.They can be raised as pet and even can evolve.