Chez Diabolik, about one block from Central Park on West 71st Street, is the New York City residence of Dr. Diabolik. He doesn't live there, but his two children, Jadis and Mal do. Also living there is Jadis and Mal's nanny, Mrs. Dinah Pierson. There is also a cook and housekeeper, Mrs. Barnes, and a handyman, Gabrielo Hernandez.