Demolition Man (Dennis Dunphy), also known as D-Man, is a fictional superhero appearing in American comic books published by Marvel Comics. Publication history Dennis Dunphy first appeared in The Thing #28 (October 1985) and was created by Mike Carlin and Ron Wilson. He first appeared as Demolition-Man in Captain America #328 (April 1987). Fictional character biography Dennis Dunphy was born in Lincoln, Nebraska. Dennis becomes an aspiring athlete who receives the strength augmentation treatments offered by Power Broker, Inc. Finding himself too strong now for normal sports, he becomes a professional wrestler and member of the Unlimited Class Wrestling Federation (UCWF) along with other superheroes and supervillains such as the Beyonder, the Thing, and Screaming Mimi. He refuses to throw a fight with the Thing, and is defeated. The Puppet Master later mentally compels him to attack the Thing. Dunphy refuses the Power Broker's order to help kill Ms. Marvel. He reveals his addiction to the Power Broker's drug to the Thing, and goes through a painful withdrawal when the Power Broker cuts off his drug supply. After the fall of the UCWF, Dunphy becomes the Demolition Man and teams up with Captain America to investigate Power Broker, Inc. His costume is intentionally designed so the body of it is a duplicate of Daredevil's first costume, and the hood is a knock-off of Wolverine's. He successfully rescues Captain America from Karl Malus and helps Captain America catch him. Dunphy is captured by the Power Broker and is subjected to further treatments which augment his strength further but damage his heart. While under the influence of the stimulant, he goes mad and attacks Captain America. Dunphy suffers a heart attack, his second augmentation is reversed and he is hospitalized. Dunphy then takes a step back from superhero activity to take over Captain America's hotline. Soon after this, Steve Rogers is stripped of his Captain America costume by the Commission on Superhuman Activities (CSA) and goes missing. Demolition Man joins Falcon, Nomad, and Vagabond to search for Rogers. They discover Rogers, who had renamed himself simply "The Captain", and they all become a short-lived informal team. They defeat the Serpent Squad in their first outing. D-Man aids the Captain, Falcon, and Nomad against Famine. D-Man is nearly killed in battle by Titania. He begins teaching Vagabond hand-to-hand combat, but is attacked by a jealous Nomad. He fights Anaconda and Slither of the