Adam was an angel with a human appearance. Most of the time, he wore a mask that appeared similar to other Exorcists, though with normal-looking eyes and golden facial expressions. The mask also held a pair of horns similar to an Exorcist, albeit longer, smoother, and with a golden ornamental attachment on the tips. He also displayed traits of extreme narcissism and chauvinism, believing himself the perfect man due to being the first and claiming he had never made a mistake in his life