|Relatives:||Mrs. Groote (wife), Howard Groote (son)|
|Voiced by:||Dan Castelleneta|
Mr. Groote was Howard Groote's father.
Mr. and Mrs. Groote were on a holiday in Madrid when their cred card suddenly maxed out. They went home looking for the cause, and found out their house had been destroyed. Mr. Groote then accused him of using their credit card to buy dynamite to blow up the house and proceeded to scold him for the destroyed house.