Doc Hopper is the main antagonist of "The Muppet Movie". He is the sponsor of Doc Hopper's Frog Legs restaurant. His goal is to get Kermit to be in a commercial and make frog legs, especially from his legs. His assistant is Max, who later joins the good side.
His defeat is when he and his men are scared off forever by an augmentated Animal after he swallows one of Dr. Bunsen Honeydew's growth pills.
Doc Hopper is played by the late Charles Durning.