Mugman is Cuphead's cautious and slightly insecure brother. While they may look similar, Mugman stands out with his blue color and slightly larger nose. Unlike Cuphead, Mugman isn't very happy due to his brother's knack for getting them both into trouble. Despite their differences, Mugman remains loyal to his brother and often serves as the voice of reason. Together, they embark on their animated adventures, facing challenges and overcoming obstacles as a team.