Sphinx is a tall 19-year-old, bald young man from Room 4 with piercing green eyes and no arms. He's been living at this House for a decade, and Blind's his closest friend. Sphinx gets his name for being mysterious and very intelligent, speaking in riddles and sharing wise advice. Snarky. Sarcastic. Playful. Calm. Analytical. He seems very mature for his age, and is very good at analysing the people he talks to. He takes care of the confused and helpless, becoming somewhat of a mentor to them.