Sudowoodo

Sudowoodo (ウソッキー Usokkie) is a -type Pokémon and is the evolved form of Bonsly.

Bonsly evolves into a Sudowoodo at any level when it knows the move Mimic.

Special Abilities
Sudowoodo have the Rock Head and Sturdy Abilities.

Sudowoodo, though a type, looks more like a  type by use of adaptive mimicry. Because of this, foes might be fooled into not using type attacks, (which  types are resistant to, and  types are weak to) Sudowoodo can camouflage itself as a tree to avoid being attacked by enemies.

In the Anime
The first appereance of a sudowoodo in the anime is in the episode "Type Casting". Brock has a Sudowoodo that evolved from his Bonsly in "Leave it to Brocko".

In the manga
In Pokemon Golden Boys Gold had a Sudowoodo nicknamed Sudo.

Trivia

 * Sudowoodo is the first pure rock-type Pokémon.
 * In one episode of the anime, there is a discussion between two scientists trying to discover if Sudowoodo is a Rock-type or a Grass-type.