Jimmy Vulmer

James «Jimmy» Valmer (formerly Jimmy Swanson) is a fictional character on the series South Park. Like Timmy Burch, he is disabled, but uses crutches to walk and is able to talk to people, despite a slight stuttering problem.

Jimmy is a character who enjoys telling jokes to people, often adding the tagline "what a wonderful crowd."

He is one of the few students in his school who has already lost his virginity, he did this in a chapter in which he suffered continuous erections, which caused him great shame. This was solved when his friends (Stan, Kyle, Cartman and Kenny) suggested that he have sex with a prostitute. He also claims "to have tried ecstasy once." In Spain he is dubbed by Chelo Molina