Duusu is a peacock-like Kwami in Miraculous Ladybug, known for their connection to the Peacock Miraculous and the power of emotion. They are a small, dark blue creature with a distinctive appearance: a pale, light grayish cerise dot on their forehead, dark magenta mouth with teeth, and a peacock tail with five feathers. Duusu's personality is described as erratic, capable of shifting quickly between happiness and sadness.