The Wug Store. Now you can get the Wug T-shirts, Wug mugs, and other Wug items you've been waiting for! Original Wugs, designed, approved, copyrighted and Trademarked by Wug Test creator, Jean Berko Gleason. We have dozens of great new Wug items. The Wug image and the logo "This is a Wug" are federally registered trademarks and may not be copied or used in any way without written permission from Jean Berko Gleason.