Does Bad Things Guy

Does Bad Things Guy is a major antagonist in the SuperMarioLogan series.

He is Brooklyn T. Guy's twin brother. He is the secondary antagonist of Season 8 and one of the two main antagonists (alongside Goodman) of Season 9. He is a spree and serial killer who murdered the 26 people who owned the house before Mario and Bowser. He then filled in for Brooklyn T. Guy's duties for seven months before being shot and killed by his older brother when attempting to murder Mario, Rosalina, and Jeffy.

Trivia

 * Does Bad Things Guy is the second character in the SuperMarioLogan franchise to fill in for another character, the first being The new house!.