The Heal Unit is an object that appears in the Sonic the Hedgehog series. It is an invention of Gerald Robotnik's that, accordingly, has the ability to restore the energy of both living creatures and robots.
In Shadow the Hedgehog, the Heal Unit is used by Shadow the Hedgehog to revive fallen GUN Soldiers or scientists. They are found in Space Gadget and The Doom. They also made an appearance in Lethal Highway.
- According to Maria Robotnik, the Heal Unit is her grandfather's greatest invention.
- The Heal Unit has a side effect of dizziness.
- When Shadow throws a Heal Unit at any GUN Soldier, they stand and do a saluting pose at him and will no longer attack.
- The Heal Cannon has the same power as the Heal Unit.