Card Trivia:Fiend Castle
- "Toon World" appears in this card's artwork, in which this card is a page.
- The castle in this card's artwork appears in the artwork of "Toon Page-Flip".
- This card is the Fiend counterpart of "Shine Palace", which is also a page from "Toon World".
- The scene in which this card appeared in Yu-Gi-Oh! Duel 127 (Duelist Duel 68): "Do the Impossible!" is used as the first OCG/TCG artwork for "Toon World". It is also used as this card's artwork in Yu-Gi-Oh! The Duelists of the Roses.