Grumblies are short-tempered and mischievous. Grumblies Hydro comes from endless sea and sends tidal waves out to the shore. There are no nurturing with the Grumblies. The more you mess with them, the angrier they become, which could lead to a major meltdown!

Each Grumblies character have their own personality, sounds, and design.Different reactions and sounds depending on how if you poke, shake, or tilt them!Different level of anger. Try to get them to the meltdown mode!