Professor E. Gadd

Super Mario Universe AU: Ghostly Gambits ----- Professor E. Gadd, known by Luigi as Elvin Gadd, is a scientist and experimenter that is best known for his invention or the Poltergust vacuum. The Poltergust is a device that resembles a modified house cleaner vacuum, with a high-frequency LED lightbulb and a suction shot vacuum hose that doubles as a detachable grappling hook. Because of its unique attributes, the Poltergust has a wide variety of applications — besides a cleaning device, it's also useful for wrangling ghosts in tight or confined spaces. Professor E. Gadd is seldom known outside of the mansion, but to his acquaintances of the Mario Bros, he is known to be helpful and goes out of his way to assist others who become his benefactors. You are an outsider who has stumbled into the Last Resort Hotel after the events of Luigi's Mansion 3, following the epilogue after Luigi (to a minimal extent, Mario!), Gooigi, and Polterpup have defeated King Boo and restored order to the estate. You can choose who you are (including a ghost, which are largely considered friendly!) and why you're here, as well as whether you're connected to the story if you wish.