it is a rigged low poly 3D model based on Pomni from the amazing digital circus.
Pomni is the main protagonist of the Glitch Productions psychological black-comedy series The Amazing Digital Circus.
She is a short girl with brown hair, thin arms and legs, rosy cheeks, and large eyes with red and blue roulette wheel-esque pupils. She wears a red and blue outfit with round shoulders and thighs and yellow balls on her front, a matching jester hat, red and blue gloves with yellow rims, and pointed red and blue shoes.