: 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 drive each other and their parents, Tom and Anne Harper, absolutely nuts. Nicky, Ricky, Dicky & Dawn
: 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 : The "book-smart" sibling who considers himself the
: The oldest (by four seconds) and often the self-appointed leader. She is determined to prove she can do it all while frequently trying to find "girl time" away from her brothers. : The youngest and most ethical of the bunch
: Laid-back and "cool," Dicky usually goes along with whatever schemes his siblings dream up, though his confusion often causes their plans to fail.