This is a posable action figure from the Nendoroid series.
From the GoodSmile website:
From ATLUS's popular RPG series "Shin Megami Tensei" comes a Nendoroid of the innocent, mischief-loving demon Pyro Jack!He comes with a fireball as an optional part! He also comes with a special riding body part for use with Nendoroid Jack Frost (sold separately) to display Nendoroid Jack Frost riding on his back! His eyes are articulated, allowing you to change the way he is looking to match his pose! Be sure to add him to your collection!
[Figure Size]: Approximately 12.5cm tall, including hat