 In 1974 the first Moomin opera was produced, with music composed by Ilkka Kuusisto.Jansson had several male lovers, including the political philosopher Atos Wirtanen, who was the inspiration for the Moomin character Snufkin.However, she eventually “went over to the spook side” as she put it—a coded expression for homosexuality —and developed a secret love affair with the married theater director Vivica Bandler.