duo, boy and dog, 1boy, 1dog, two characters, dog and human, StewieGriffinIL and BrianGriffinIL, StewieIL BrianGriffinIL, human, flat head, yellow t-shirt, red pants with suspenders, gray shoes, white sclera, black eyes, dog, white fur, black nose, white sclera, black eyes, paws, tail, red collar with a medallion, Masterpiece, highres, ultra-detailed, absurdres, amazing quality, best quality, newest, light particles, ultra-HD, no lineart, no outline [A waterfall flows down a cliff, clear blue water flows, a rainbow in the background, moss on the rocks, white clouds, a sunny day,] standing, heart, heart hands, grin, looking at viewer,