|Relatives:||Mr. Groote (husband), Howard Groote (son)|
|Voiced by:||Andrea Romano (uncredited)|
Mrs. Groote was Howard Groote's mother.
Mr. and Mrs. Groote were on a holiday in Madrid when their credit card suddenly maxed out. They went home looking for the cause, and found out their house had been destroyed. According to Mr. Groote when scolding Howard in the ending, Mrs. Groote had an antique doll collection.