Card Trivia:Thunder Nyan Nyan
- "Nyan Nyan" (
娘 々 Nyan'nyan) is the Japanese reading (highly approximate to Chinese readings, more than on'yomi) of the Chinese character for "lady" (娘々niáng niáng).
- This monster is based on an oni, an ogre in Japanese folklore who is often depicted wearing tiger-skin clothing.
- This monster has an anime-exclusive counterpart: "Kung Fu Nyan Nyan"
- This monster has a Rush Duel Bubble Era counterpart: "Brick Phone Nyan Nyan".