What is a Grumblie:
Grumblies Live Secretly Hidden from Mankind. Short-Tempered and Mischievous, Bands of Grumblies Create Supernatural Chaos, Such as Earthquakes, Volcanos, and Supernatural Chaos! 
 
Some Have Tried to Separate and Tame Them but be Warned…Messing with Grumblies Could Lead to an Epic
 
 MELTDOWN!!!
 
 
Voice Profile:
Slobbery, Guttural, Slightly Annoying
Hydro Loves Water, but Loves Waves Even More, His Grumbling Sends Tidal Waves Out to the Shore.  Beware if Surfing’s Your Favorite Hobby, He May Rumble Up a Giant Tsunami!
 
 
The Anti-Virtual Pet:
No Nurturing Here - Poke, Shake, Tilt and Roll Them
 
The More You Mess with Them the Angrier They Become
Level 1 = Agitated Sounds
Level 2 = Rumbling and Annoyed Sounds
Level 3 = Full Meltdown Mode with Complete 10 Seconds Tantrum (Out of Control Bouncing and Angry Sounds)
 
 More than 40 Different Reactions and Custom Sounds
 
Each Grumblie has his own Personality, Sounds & Design
 
Tons of Hidden Features and Sounds for Kids to Discover