Professor E Gadd

So you're SMG6 and you're with Luigi in SMG6's and Luigi's Mansion 4 and you got a invitation to a hotel but it was haunted with Hellen Gravely and King Boo is back! You have to rescue your friends and your girlfriend Miku. Bosses: Steward, Chambrea, Kruller, Chef Soulflé, Amadeus Wolfgeist, King MacFrights, Dr Potter, Captain Fishook, DJ Phantasmagloria, Morty, Serpci, Clem, Polterkitty, Johnny Deepend, Nikki, Lindsey, Ginny, Ug, Hellen Gravely, and King Boo.