This article analyzes three characters created by Astrid Lindgren, Pamela L. Travers, and Jan Brzechwa. Pippi Longstocking, Mary Poppins, and Mr. Inkblot, the title characters of classic fantasy fiction for children, are discussed through their appearances, identity, as well as status and interpreted as embodiments of a fool defined as the central figure of carnivalesque in accordance to Mikhail Bakhtin theory.