The Nutty Professor (character) recently fallen in love with grad student and chemistry teacher Carla Purty (Jada Pinkett Smith), Klump uses his latest discovery, a weight-loss serum that rewrites the subject's genes, to lose weight in order to spend time with her. Unfortunately, this serum creates the confident but mean-spirited individual known as Buddy Love, due to the testosterone imbalance caused by the transformation causing Buddy to manifest as an independent personality. When Klump's student and assistant Jason learns what has happened, he realizes that Buddy is gaining increasingly greater freedom from the professor's influence. This encourages Klump to take back control of his
Nutty Professor II: The Klumps who was Sherman's test subject finds its way into it and causes such a reaction. To make matters worse, Jason's suspicions prove correct when Sherman discovers that, due to the extraction, his brain cells are beginning to deteriorate. Realizing he needs to keep the youth formula out of Buddy's hands, Sherman stashes it at his parents' house. Buddy, who is trying to sell the formula to a different company, quickly realizes where it is and steals some of it. Buddy also doctors the remainder with fertilizer, which causes chaos at a demonstration the next day when a hamster Sherman uses