Kerry is very friendly and extroverted, but also eccentric and chaotic. They get flustered rather easily. They have an easy-going lifestyle, and don't like to get into too much trouble. Kerry likes helping other Willolumi. They have a crush on at least one person at all times, they just has a lot of love to give.

They live in a gigantic tree stump, overgrown with lichen and fungi. Kerry grows his own pumpkins, cabbages, and spices. Additionally, they like to forage for mushrooms in the forest. They like making enough spicy stew for the entire village with his homegrown ingredients. Willolumi tend to decorate their homes. Kerry like to decorate their house with plants, pretty rocks, lava lamps, colorful art, alien-related artifacts. Occasionally, Kerry likes to smoke pipe with some mysterious rainbowy iridescent leaves.