Eric Cartman inherits $1,000,000 from his late grandmother and spends all of it buying the North Park Funland amusement park. Mr. Fun, the park's owner, had reservations for selling his park because attendance had gone down causing the business to lose money. When Cartman tells him he wanted the park to himself, by not allowing anyone else in, Mr. Fun relents. People are attracted to its exclusiveness, which allows some people to be let in, in order to keep the park upkeep current and maintained. Cartman eventually becomes angry at all the people in his park, who take up all of the rides, and he demands his money back from Mr. Fun. Mr. Fun returned his money after seeing how successful Funland has become. After getting his money back, Cartman loses all of it to the IRS and to pay the settlement for Kenny McCormick's recent death. Cartman still owes more, so he requests for Mr. Fun to give back the park to pay for his debt, but Mr. Fun refuses, even though Cartman will be left destitute.
Mr. Fun is an overweight man with red, balding hair. He wears red pants, a white shirt, a yellow coat with various colored polka dots, orange shoes, and red tie with white polka dots.