"Muggle-Wump" the monkey is a fictional character in some of Roald Dahl's books for children, and "the Muggle-Wumps" are his family. A Muggle-Wump appears in The Enormous Crocodile and there is a Muggle-Wump with a family in The Twits. A Muggle-Wump lookalike appears in The Giraffe and the Pelly and Me. From Wikipedia
