Mugman is a character from the popular video game series called Cuphead. He is the younger brother of the main character, Cuphead, and is known for his blue color and a mug-shaped head. Together, they embark on adventures in a cartoonish world inspired by 1930s animation, facing various challenges and bosses. In the game, Mugman is characterized by his bravery and loyalty to his brother. Players can control him in cooperative gameplay, allowing for teamwork to defeat enemies and overcome obstacles. His design and personality contribute to the charm of the Cuphead series, making him a beloved character among fans.