Johnny is part of the fledgling Test family, which consists of his 13-year old genius identical twin sisters, Susan and Mary, and his over-the-top parents, his mother Lila, who is a full-blown workaholic businesswoman who works like the stereotypical father of the family nearly all night and day, and his father Hugh, who is an obsessive-compulsive househusband whose two biggest obsessions are cleaning and cooking meatloaf. The Test Twins frequently use Johnny as a guinea pig for their various experiments and inventions (thus their surname of Test) in their secret laboratory filled with highly advanced technology built in over the Tests' household attic, with most of which they try to impress their pretty boy next-door neighbor, Gil Nexdor, with whom both harbor a deep love and obsession, although their attempts to come up with something new and/or another in order to attract his attention always end in failure...