Doctor Catheter is a character from the movie "Gremlins 2: The New Batch". He is a mad scientist working for Clamp Enterprises at the Splice of Life Labs who enjoys performing cruel and sinister experiments on innocents animals. Later, the Gremlins break into their lab and start drinking the genetic material there, causing them to mutate. This causes Doctor Catheter to realize how dangerous his experiments are. He is killed when the Electric Gremlin electrocutes him.