We know about 15 types of Chumbi ranked in 4 Tiers - Tier 1: Neutral, Forest, Cave, Flame, River, Mountain, Spark, Insect. Tier2: Feather, Crystal, Frost, Flower. Tier 3 will be Creature, Spirit, and Tier4 is Void.
Each Chumbi can wear a coat of the same or different type. Every type also has 3 different body colors. Various horns, ears, eyes, mouths, and patterns create endless possibilities of how the Chumbi can look like.