This article is a stub. Please help WikiShrek by expanding it, adding pictures, and improving existing text. Add ImageGuillaume Aretos is the voice of the Whisperer in Puss in Boots: The Three Diablos. Retrieved from WikiShrek (shrek.wikia.com), the wiki all about Shrek. Categories: Stubs Actors Shrek 2 Actors Community content is available under CC-BY-SA unless otherwise noted.