Mugman is the third main protagonist and second antagonist in the comic. He is 20 years old. After Cuphead bet their souls to the devil, he is now forced to work for the Devil along with his older brother, Cuphead, who dragged him into the bet.

His mission, to stop Bendy and Boris from finding the Ink Machine and curing the illness spread around by his brother's own fault.

Mugman would have a mostly high voice yet low at the same time. Though he is younger than Cuphsad, he is a bit more responsible. His personality is kind and friendly