Barbara's brother and an inept security guard who dismisses Screw's death as a prank. He continuously flirts with Hagitha, plays strip poker during the murders, and is revealed to be protecting the killer, who is his evil twin cousin Hardy.
Doughy's hidden loyalty protects the killer from immediate consequences.
The plot reveals that Doughy is willing to let the killer escape after the murders.
Doughy and Barbara are siblings within the student group's wider social circle.
The plot identifies Doughy as Barbara's brother.
Their mutual flirtation creates a comic romantic subplot.
Hagitha and Doughy continuously flirt with each other during the investigation.