He is hot-tempered, loyal and wears a toupee (about which he is very defensive). He once beat up three men for sitting in the gang's booth. He remembered it differently i.e. that Ted and Barney had helped him. When the truth was explained to him he took it calmly and casually dissed Ted. Ted responded with a punch and Doug knocked him out. Marshall defended his friend by knocking Doug out in return, and grabbing his toupee. (The Fight)