Jumbo
Bert's uncle and a successful businessman, Mr. Hollis is a member of the Hollis family. Mr. Hollis is displeased by the fact that his nephew is being competed with by an elephant, but he approaches the jungle doctor for assistance. He then writes a cursed prescription for Dr. Jumbo, which causes Jumbo to begin to lose his memory. Jumbo is concerned that he won't be able to recall even the most basic information, therefore he wants to withdraw from the tournament. But his pals stopped him and went to ask a dinosaur for assistance instead.