Lolita, Bowser Jr., Koopa King's child, cute, mischievous grin, blue eyes, blonde hair, messy, spiky, kid-sized Koopa shell, yellow and white stripes, small wings, holding a toy hammer, playful pose, innocent facial expression, warm lighting, soft focus, cartoonish style, vibrant colors, Mario-themed background, mushroom-shaped furniture, lush green grass, bright sunny day.