Ambrella Co., Ltd. (Japanese: 有限会社アンブレラ, Hepburn: Yūgen gaisha Anburera) was a Japanese video game development company that worked under a publishing agreement with Nintendo. They were best known for making spin-off games for the Pokémon video game franchise, particularly the Pokémon Rumble series. Ambrella was formerly a part of Marigul...