A whimsical illustration of a lanky adult dog with an impossibly oversized polygonal head in stark black and white, standing vigilantly in a geometric moonlit garden of crystalline flowers, digital painting with dramatic brushwork creating deep shadows and bright highlights on its angular fur, misty background with mathematical constellations, characteristic Tim Burton inspired design with enormous white eyes that seem to pierce through the darkness, creating a striking monochromatic guardian whose sharp edges somehow communicate a gentle soul