Card Trivia:Celtic Guardian
- This monster has a retrained counterpart: "Obnoxious Celtic Guard".
- Either this monster or "Obnoxious Celtic Guard" appears in the artworks of "Hero's Guild", "Summoning Clock", "Superior Protector" and "Triggered Summon".
- The Bandai version of this card has 1300 ATK, 2200 DEF and is Level 5, while the Konami version has 1400 ATK, 1200 DEF and is Level 4.
- Some versions of the LOB-007 print have the Japanese version of the logo on the back bottom right corner of the card, where "Yu-Gi-Oh!" should be written in English.
- This card's second OCG artwork is taken from the title page for Yu-Gi-Oh! Duel 125 (Duelist Duel 66): "Seen Through!?".
- When Atem summons this monster for the first time during his first duel with Pegasus, he refers to this monster as Elf Swordsman, its Japanese name.