Proto Man, known as Blues (ブルース) in Japan, is a fictional character from the Mega Man (Rockman) series. He is the first humanoid robot created by Dr. Light, serving as a prototype to the main protagonist, Mega Man. Distinguished by his red armor and iconic yellow scarf, Proto Man is initially introduced as an enigmatic and independent character. Throughout the series, he acts as both an adversary and ally to Mega Man, often testing his skills while providing guidance. Proto Man's complex nature and mysterious past make him a fan-favorite character, adding depth to the series' narrative.