Card Trivia:Therion "Duke" Yul
- This monster appears in the artwork of "Therion Charge".
- This monster's wrecked remains appears in the artwork of "Blink Out".
- This monster is based on Drukyul, an extrasolar planet in the Zodiac constellation of Cancer.
- This monster's design features crab-like claws and four walking legs, referencing how Cancer is also known as the "crab" constellation.
- This is the only "Therion" monster to be named after a planet instead of a star.
