Mitzy often wears flip flops each foot has four toes and thick-rimmed glasses. Mitzi lives next door near the Koala's house and Mitzi is a very nervous yellow possum who relies on the Koala Brothers to keep in line with her perfectionist tendencies. Mitzi can also be a bit bossy and can upset her friends at times, but in the end, her friends always forgive her after Mitzi has owed them an apology.