The Vtuber [[Inugami Korone]], depicted as a dog (not as a dog girl).

One particular depiction, originating from post #5001358 by [[Sabaku Chitai]], is commonly known as "Furball Korone" (毛玉ころね [i]kedama korone[/i]) and grew so popular that it's now an official alternate Live2D model for Korone herself.
毛玉ころね