Peridot was a short male, green gem, his metallic powers are strong. His height was 5'7, small and white triangular hairstyle, had a green, inverted triangle gemstone on his forehead. His arms are perfectly robotic and he can shapeshift them to normal and real. Peridot also had a token he had always kept after getting amnesia in his past: "4th Peridot User", he also found his old, black assassin clothes in his secret, last Gem Files he had found. He thought it was a cosplay, decided to leave it.