Treecko is a wood gecko Pokémon, and is one of the three starter Pokémon that can be chosen at the beginning of Pokémon Ruby, Sapphire, and Emerald. Treecko's are a small, green, reptilian Pokémon with a pink stomach and three digits on each hand and foot. They can scale walls due to little spike on these digits that allow them to grip the smoothest of surfaces. Although rare in the wild, Treecko will usually be found in overgrown forests and are known as protectors of the trees.
Treecko evolves into Grovyle at Level 16, which in turn, evolves into Sceptile at Level 36.