Ultra cute 3D cartoon cow

Ultra cute 3D cartoon cow character, enormous spherical head (over half of body size), happy joyful expression (big sparkling eyes, wide U-shaped smile, tiny tongue sticking out), tiny chubby body, classic black and white irregular cloud-like patches, stubby little limbs, **3D render, Pixar-style character design, soft smooth textures, matte finish, subtle subsurface scattering (for skin feel), studio lighting, pure white background, no shadows, no text, high detail, high quality, octane render (or other render engine), volumetric lighting (optional).**