By drumming, it taps into the power of its special tree stump. The roots of the stump follow its direction in battle. The one with the best drumming techniques becomes the boss of the troop. It has a gentle disposition and values harmony among its group.
Type: Grass
Category: Drumming
Ability: Overgrow, which powers up Grass-type moves when the Pokémon is in trouble.
Hidden Ability: Grassy Surge, which turns the ground into Grassy Terrain when the Pokémon enters a battle.
Weaknesses: Fire, Flying, Ice, Bug and Poison
Resistances: Ground, Water, Grass and Electric
Immunity: None
Evolutions: Rillaboom evolves from Thwackey starting at level 35. It is the final form of Grookey.
Height: 6′ 11″ Weight: 198.4 lbs
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