Battle Kukku XVI (バトルクック世 Batoru Kukku Jūroku-sei), also known as "Speedy" (スピーディ Supīdi) due to his fast flying, is a character that appears in the Sonic the Hedgehog series. He is the secondary antagonist and a recurring boss in Tails Adventure. This rooster is heir to the throne of the invading Battle Kukku Empire.