Petunia Gloom is Wallis Gloom and Harold Gloom's mother. Their father is unknown at the moment. Petunia lives near the Amadeus mountains, as she has referenced hiking there and there are mountains out her window. She lives in a colorful house with plants covering the inside, plant furniture, and large plants in pots or outside of pots. Her house has a garden and a swing that hangs from a tree.