Card Trivia:Kairyu-Shin
- This monster appears in the artworks of "Fury of Kairyu-Shin", "Kairyu-Shin's Dark Reef", and "Rage of Kairyu-Shin".
- This monster's Japanese name is derived from the leviathan, a mythical sea serpent appearing in the Hebrew Bible.
- The kanji 「海竜神」 (Kairyū-Shin) in this monster's Japanese name means "Ocean Dragon God", but is read as 「リバイアサン」 (Ribaiasan "Leviathan") instead.
- This monster has a recolored counterpart: "Yormungarde".
- This monster has a retrained counterpart: "Ocean Dragon Lord - Kairyu-Shin".
- This is the only Sea Serpent monster featured in Yu-Gi-Oh! Nightmare Troubadour.
- This card's Bandai artwork is taken from Yu-Gi-Oh! Duel 72 (Duelist Duel 13): "Attack from the Deep", specifically from the panel showing this monster being Summoned.
