Mrs. Plinsky is mentioned by Noam. She is the mother of Noam Plinsky, the wife of Mr. Plinsky, the aunt of Derek Plinsky, the daughter-in-law of Nana and Pops Plinsky, the future mother-in-law of Thera Kerplopolis, the future stepmother-in-law of Lester Awesome & Holley Holtey, and the future step aunt-in-law of Tyler Awesome.