The DeVilles are one of the main families in the Rugrats and All Grown Up! Series'. The last name DeVille can refer to the characters:
Betty DeVille: The mother of Phil and Lil and the wife of Howard.
Howard DeVille: The father of Phil and Lil and the husband of Betty DeVille (1991).
Phil DeVille: The youngest twin son of Betty and Howard and the younger twin brother of Lil.
Lil DeVille: The oldest twin daughter of Betty and Howard and the older twin sister of Phil.