Leonard resided, during his lifetime, in Strangetown, one of the neighborhoods that ships with the game. He was the husband of the deceased Petunia Simnitch, the father of Daisy Loste, and the grandfather of Kristen Loste. According to Leonard's SimDNA in SimPE, his hair was red before it turned grey. His age data indicates that when he died he had 32 days left before dying from old age, which hints that he had access to Elixir of Life at some point in his life.