Mandy McBooger is Barb Thunderman's sister, Hank Thunderman's sister-in-law and aunt to Max, Phoebe, Nora, Billy and Chloe Thunderman. In high school, Mandy and Barb were part of a struggling breakdance duo called "The Electric McBooger Babes." Her superpower is, Invisibility: Mandy is capable of rendering herself invisible by just thinking about it. She does not appear capable of rendering others invisible, though. She now runs a globe shop in Metroburg without ever visiting the Thundermans.