Card Trivia:Doomcaliber Knight
- This monster's Japanese name, "Deathcalibur Knight" (デスカリバー・ナイト, Desukaribā Naito), is a portmanteau of the words "death" (デス, Desu) and "Excalibur" (エクスカリバー, Ekusukaribā).
- In the Yu-Gi-Oh! Ultimate Masters: World Championship Tournament 2006 video game, this monster's name is "Skull Descovery Knight".
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! Duel 324 (Millennium World Duel 46): "Battle in the Shrine!", specifically from the panel where this monster is shown attacking "Marshmallon".