Card Trivia:Gearfried the Iron Knight
- This is one of the cover cards of the box of Duelist Legacy Volume.3 and Speed Duel: Streets of Battle City.
- This monster appears in the artwork of "Dimension Explosion" and "Release Restraint".
- This card has several counterparts:
- One "Lightray" counterpart: "Lightray Gearfried".
- One "Red-Eyes" counterpart: "Gearfried the Red-Eyes Iron Knight".
- One Gemini counterpart: "Phoenix Gearfried".
- One retrained counterpart: "Immortal Phoenix Gearfried".
- One Fusion Monster counterpart: "Gilti-Gearfried the Magical Steel Knight".
- This card is similar to "Power Tool Dragon", as both monsters are armored versions of their true, hidden form and feature effects that involve Equip Spell Cards.
- During his Duel against Rex Raptor in Yu-Gi-Oh! episode On the Wrong Track - Part 3", 162: "Joey Wheeler tells the story of "Gearfried the Swordmaster". According to his story, "Gearfried" wielded a power so great, that merely holding a weapon resulted in the wide scale devastation of an entire battlefield. Fearful of his own might, he sealed himself in a suit of iron armor to limit his power, which is reflected in this card's effect of destroying any Equip Card equipped to it.