Card Trivia:Double-Headed Dino King Rex
- This monster is based on the manga version of "Two-Headed King Rex".
- This monster's Level is 6, the same as "Two-Headed King Rex" in the Yu-Gi-Oh! manga.
- This card's artwork is taken from Yu-Gi-Oh! Duel 77 (Duelist Duel 18): "On My Own", specifically from the panel where Dinosaur Ryuzaki's "Two-Headed King Rex" destroys Katsuya Jonouchi's "Baby Dragon" by battle.
- This monster's effect are based on "Two-Headed King Rex's" in the same chapter where it is Summoned without Tributing a monster and, upon its Summoning, instantly destroyed "Baby Dragon" by battle.
