He is one of the two fallen angels that broke free from his imprisonment in hell and begins to cause the disappearance of the guardian angels on earth. He has a red hair. Zeus gave him the ability to heal with his lips, when he became a Saint Beast. He was the leader of the Six Saint Beast and was very close to Genbu no Shin.

In terms of his age appearance on Earth, he is 24 years old and is 185 cm tall (6')

Source: Wikipedia