The Pig-Boar Mecha[note 1] (イノブタメカ[1] Inobutameka?) is the Master Robot of Gimmick Mountain Zone in Sonic the Hedgehog 2 (8-bit). It is a tank-like robotic animal built by Dr. Robotnik, and is the fifth boss of the game.



Sonic fighting Pig-Boar Mecha.

At the end of Act Two in the Gimmick Mountain, Sonic reaches a room where the Pig-Boar Mecha is located at. It will charge across the room, causing rocks from the ceiling to fall, which makes an obstacle for Sonic in the boss battle. Luckily, it will clash on the side of the room if Sonic performs a Spin Jump on its nose too many times. This gives Sonic the opportunity to attack the boss via Spin Jump or Spin Dash.


  • "Inobuta" in Japanese refers to a pig-boar hybrid, but it has no direct English reference.
  • This boss is similar to the Fullboar in Sonic the Hedgehog 4: Episode II, as it is a robotic boar and is about the same height.


  1. The name is a fan-localization of the Japanese name, which is the only one currently available.


  1. Sonic the Hedgehog 2 (Game Gear) Japanese instruction manual, pg. 28.