Treecko is a Grass-type Pokémon introduced in Generation III.
It evolves into Grovyle starting at level 16, which evolves into Sceptile starting at level 36.
Along with Torchic and Mudkip, Treecko is one of three starter Pokémon of Hoenn available at the beginning of Pokémon Ruby, Sapphire, Emerald, Omega Ruby, and Alpha Sapphire.
He is rarely found in the wild and is more common in captivity. However, when in the wild, Treecko lives inside overgrown forests. It makes its home in tall trees and will attack anyone that comes near its nest. Because of its territorial nature, it is known to be the protector of the forest's trees. Treecko is known for its calm and collected personality. It will never panic under any circumstances, even when faced with a bigger foe.