Card Trivia:Tristan, Knight of the Underworld
- This monster is based on the character Tristan of the Celtic legend of Tristan and Iseult, which is cited as an influence on the romance between Lancelot and Guinevere.
- This is further supported by this card and "Isolde, Belle of the Underworld" being ideal Xyz Material for "Number 23: Lancelot, Dark Knight of the Underworld".