Hellen Gravely

Hellen Gravely is the owner of The Last Resort hotel, and the secondary antagonist of Luigi's Mansion 3.

History
Hellen Gravely is a huge fan of King Boo. Sometime after the events of Luigi's Mansion: Dark Moon, she lures Professor E. Gadd to her hotel, then captures him and steals his ghost collection, including King Boo, who she releases.