Peter Del Re is the only son of Joe and Adele, the fraternal twin brother of Deanna, and the younger brother of Clarissa.

Appearance on Supernanny

He hit his older sister Clarissa in the face and his father called him a psychopath.

During arts and crafts, Peter tried to use more glue on a used sock, but Adele told him that the glue was enough, he launches into a violent temper tantrum. Deanna showed Adele her finished sock puppet, and Peter hit Adele in the nose and headbutted her. Jo came over and sent Peter to time-out for four minutes. Four minutes later, Jo reminded Peter to apologize to Adele for headbutting her. Peter apologized to Adele and hugged her.