Card Trivia:Perfect Machine King
- "Heavy Mech Support Platform" (and by extension "Heavy Mech Support Armor") appears to be a support unit for "Perfect Machine King".
- The artwork of "Roll Out!" depicts "Heavy Mech Support Platform" being equipped to this monster to give it cannons and either a new pair of legs or legs that support the equipment.
- "Heavy Mech Support Platform" shares common design elements with this monster and supplements its vulnerability to being destroyed. They were also released in the same Core Booster pack Rise of Destiny and have adjacent numbers.
- "Machine King - 3000 B.C." → "Machine King Prototype" → "Machine King" → "Perfect Machine King"
- This monster's pose in its card artwork is similar to the ending sequence of GaoGaiGar's Final Fusion, from The King of Braves GaoGaiGar.
- The maximum ATK this monster can gain from its own effect is 5500, which requires every Main Monster Zone and both Extra Monster Zones to have a Machine monster.
- In the Virtual World arc of the Yu-Gi-Oh! anime, this card was the first Deck Master to replace another Deck Master: Nezbitt fuses his "Robotic Knight" (which he took the form of) with "Machine King" (who "Robotic Knight" serves, according to its flavor text) to Fusion Summon this monster.
- This monster's number "04" on its left shoulder may reflect the fact that Nezbitt was the fourth member of The Big Five to Duel in the Yu-Gi-Oh! anime.
- This card's OCG/TCG artwork is based on a scene from Yu-Gi-Oh! episode Mechanical Mayhem, Part 2", where Nezbitt first Summoned this monster.
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- Unlike in the anime, this card's OCG/TCG artwork depicts the full body of this monster.