The series centers on the quads’ ability to drive each other and their parents, Tom and Anne Harper, absolutely nuts.
: The youngest and most ethical of the bunch. He is often submissive to his siblings' plans but loves cooking and occasionally surprises them with his own mischievous tricks. Story Arc and Themes Nicky, Ricky, Dicky & Dawn
: The "book-smart" sibling who considers himself the only normal one. His high IQ often leads him into trouble alongside his siblings, despite his attempts to be the "cool" leader. The series centers on the quads’ ability to
: Laid-back and "cool," Dicky usually goes along with whatever schemes his siblings dream up, though his confusion often causes their plans to fail. Tom and Anne Harper