Who Put That On Mojo's Tab?

Mojo gets a membership to a pool near his house for the summer. It requires him to have a credit card on file for any food, drinks or pool toys his family may need. Well he has not been there in 2 weeks and someone has been putting all kinds of things on his tab! In one day someone ate 6 CHEESEBURGERS!!! They told Mojo they can find out who has been doing this. Mojo wants to know know who it is and how many people have they been feeding. Who does that?! It better just be a mistake and not someone trying to hustle Mojo into paying for their items.