watch 01:51 The Loop (TV) Do you like this video? Wiggle puppy is an imaginary friend invented by Ralph Wiggum. Appeared in Episode – "This Little Wiggy" Book – The Simpsons Library of Wisdom This article about a Simpsons character is a stub. You can help the Simpsons Wiki by embiggening it. Retrieved from "https://simpsons.fandom.com/wiki/Wiggle_puppy?oldid=164550" Categories: Character stub Fictional Characters Animals Community content is available under CC-BY-SA unless otherwise noted.