Does Bad Things Guy

Does Bad Things Guy is the identical twin brother of Brooklyn T. Guy, and the main antagonist in The Secret Door!.

Does Bad Things Guy took Brooklyn T. Guy's place for 7 months. He is a ruthless spree and a serial killer that murdered the 26 people who bought the house before Mario and Bowser did.

Personality
Does Bad Things Guy sold the house numerous times to his victims but warns them not to go in a door in one of the rooms as behind the door is the bodies of his previous victims. If they stay out of the room, he does nothing and leaves the new residents to themselves, but if they disobey the orders and open the door, he knocks them out, ties them in chains, and kills them in a variety of brutal ways. After his victims are dead, he takes photos of the mangled corpses and hangs them up.

Victims

 * His wife - His first victim, it is unknown why he murdered her since he had no secrets behind the door yet.
 * 25 Unidentified Victims - Does Bad Things Guy brutally murdered 25 more victims, ranging from adults to children, he killed them in multiple different ways with multiple different weapons, including nails, knives, different types of saws etc.
 * Unnamed man at Thanksgiving- Not one of his normal victims. During Thanksgiving, he tells everyone a story about busting a guy who had a turkey and frying him in the electric chair to death.
 * Bowser Junior, as he shoots him in Pinch! Pinch! Pinch!

Trivia

 * Despite murdering the 26 people, he has also killed others as part of him acting as a cop.
 * Does Bad Things Guy is the second character to fill in for another character over a period of time, the first being Robot Chef Pee Pee.
 * He also killed Bowser Junior in Pinch! Pinch! Pinch!, however that murder is non-canon.
 * He was most likely inspired by notorious serial killer Jeffrey Dahmer.

Poll
Do you like Does Bad Things Guy? Yes! No. Kind of.