Card Trivia:King Dragun
- "The Flute of Summoning Dragon" appears in this card's artwork, being held by this monster.
- This monster used it as a weapon in the Yu-Gi-Oh! GX anime.
- This monster is a merged Fusion form of "Lord of D." with "Divine Dragon Ragnarok".
- This card's ATK (2400) is twice that of "Lord of D." (1200).
- This card's DEF (1100) is the same as that of "Lord of D.".
- This card's first effect of preventing Dragon monsters from being targeted by the opponent's card effects is similar to the effect of "Lord of D.", while this card's effect of Special Summoning a Dragon monster from the hand is similar to that of "The Flute of Summoning Dragon", which requires "Lord of D." to be activated.
- ** "Queen Dragun Djinn" is the female Xyz counterpart of "King Dragun".
- Both cards have the kanji Ryūmajin (竜魔人) in their Japanese names.
- Both have mirrored poses in their card artworks.
- This card's Fusion Materials ("Lord of D." + "Divine Dragon Ragnarok") are both Level 4 monsters, so they can also be used as Xyz Materials to Xyz Summon "Queen Dragun"
- This card can prevent Dragon monsters from being targeted by the opponent's card effects and Special Summons 1 Dragon monster from the hand, while "Queen Dragun" can prevent Dragon monsters from being destroyed by battle and Special Summons Level 5 or higher Dragon monsters from the Graveyard.
- Both cards were also initially released as Super Rares in the TCG edition of Galactic Overlord; however, this card was instead printed as an Ultimate Rare in Galactic Overlord in the OCG, while "Queen Dragun" was printed as a Rare.
- Though this card is available in the Yu-Gi-Oh! World Championship 2008 video game, it cannot be summoned without a Fusion Substitute Monster as one of its Fusion Materials, "Divine Dragon Ragnarok", is not available in the game.
