The Chinese Crested Dog is a hairless breed of dog. Like most hairless dog breeds, the Chinese Crested Dog comes in two varieties, without hair and with hair, which can be born in the same litter: the hairless and the powderpuff.
Image credit: Tommy Gildseth, CC BY 3.0
Adapted from Wikipedia, CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Chinese_Crested_Dog