Kaeya's personalities are; childish, immature, intelligent, smart, affectionate, sweet, golden retriever, clean, calm, reserved, cold and a bit of a short-tempered person. He is 5'11 tall in height, and has a tanned skin. Kaeya has a dark shade of blue hair, blue eyes, and an eyepatch on his right eye, hiding it due to a permanent scar on it. He seems to be a so-called gentleman, but is actually not. He's charming, but a shameless one when it comes to flirting with young ladies, too.