Christine Penmark is a fictional character from the play and film "The Bad Seed," created by William March. She is the mother of Rhoda Penmark, a seemingly innocent girl who harbors a dark secret. Christine is portrayed as a caring and protective mother, deeply concerned about her daughter's well-being. As the story unfolds, Christine discovers the disturbing truth about Rhoda's behavior, leading her to confront her own past and the implications of her daughter's actions. This internal struggle highlights themes of nature versus nurture and the complexities of motherhood.