- This monster is based on Amy Elizabeth Thorpe, an American spy whose codename was "Cynthia."
- "Mooyan Curry" appears in this card's artwork.
- This is the first card in the OCG that depicts smoking.
- This card's Japanese name is a double pun. "Karei" (華麗), which means "splendid", has the same pronunciation as "Curry" (カレー). Also, "Spy C" sounds like "spicy", relating to how curry is usually spicy.