Stakataka

Stakataka (ツンデツンデ) (codenamed UB Assembly) is a /-type Pokémon introduced in Generation VII. It is an Ultra Beast exclusive to Pokémon Ultra Moon.

Pokédex entries
When stone walls started moving and attacking the brute's true identity was this mysterious life-form, brings to mind an Ultra Beast.

Trivia

 * Early information about Stakataka's name was leaked. An article can be found here.

Name Origin
“Stakataka” is a corruption of “Stack” and “Attack”