Billy Blaze is a fictional character from the popular video game series called Commander Keen. He is a young boy genius who travels through space and battles various enemies. Billy is known for his intelligence and creativity, often using his inventions to solve problems and defeat foes. In the games, Billy Blaze dons a green helmet and uses a pogo stick to navigate different levels. His adventures take him to various planets, where he encounters unique challenges and characters. The Commander Keen series is celebrated for its platforming gameplay and engaging storylines, appealing to both children and adults.