Card Trivia:Celtic Guardian
- "Celtic Guardian" has a retrained counterpart, "Obnoxious Celtic Guard".
- This card appears in the artwork of "Triggered Summon" and "Summoning Clock".
- The Bandai version of this card has 1300 ATK, 2200 DEF and 5 stars, the Konami version has 1400 ATK, 1200 DEF and 4 stars.
- This card bears a strong resemblance to Link, a character who appears in various Zelda titles created by Nintendo and also appears in the Philips CD-i Games for the CD-i Console: Link: The Faces of Evil and Zelda: Wand of Gamelon.