What is "woggle-bug"

The Highly Magnified Woggle-Bug is a character in the Oz books by L. Frank Baum. He first appears in the book The Marvelous Land of Oz in 1904. He goes by the name H. M. Woggle-Bug, T.E. (Highly Magnified and Thoroughly Educated). In later books the hyphen was sometimes dropped: "Wogglebug".

In illustrations he is often depicted wearing bright colors and several pairs of glasses on his elongated proboscis.