- In the manga, this card was a Level 4 monster. When added to Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist, its Level was changed (like many other cards) to Level 6. This Level carried over to when it was released as an actual physical card.
- This card has a counterpart: "Mighty Guard".
- This card was the first "Gadget" monster to be released, although this was before the archetype was officially created with "Boot-Up Soldier - Dread Dynamo".