A good friend to Akira Fudo. He is the one who is responsible for the events in Devilman and has blonde hair and blue eyes, highlighting his status as mixed-race. He is also a homosexual. He also Satan who a Angel that rebelled with the Demons against God in the ancient past. He created the false persona, Ryo Asuka, and tricked Amon into Akira's body becoming Devilman. He appears in the form of a twelve winged angel in his true from. Ryo is calm, smart & foul-mouthed and ruthless and intersex