Professor Nimnul is a fictional character from the animated television series Chip 'n Dale: Rescue Rangers. He is portrayed as a mad scientist who often devises elaborate schemes to achieve his goals, which usually involve creating inventions or gadgets. His character is known for his eccentric personality and his tendency to underestimate the intelligence of others. In the series, Professor Nimnul frequently clashes with the titular characters, Chip and Dale, along with their team of rescue rangers. Despite his intelligence and creativity, his plans often backfire, leading to humorous situations. His character adds a comedic element to the show while serving as a recurring antagonist.