Running Dark Chao
When a baby, only give the Chao GREEN animals and chaos drives, it will evolve into the Running Chao. It is black and has blue and green stripes.

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Flying Dark Chao
Give the Chao all PURPLE animals and chaos drives then let is evolve. Flying Dark chao look like a evil NiGHTS. They are purple and black.

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Swimming Dark Chao
You chao will evolve into a Swimming Dark Chao if you giving it YELLOW animals and chaos drives. This chao is black and green. It looks like the neutral swimming chao.

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Power Dark Chao
Give it RED animals and chaos drives. This chao is black, red and yellow with one spike, one on top of it's head. This chao looks like a tiger.

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Normal Dark Chao
This is a black and red chao with bat wings.