|Japanese translated||Dinosaur Ryuzaki|
|WC 2004||High DEF|
Rex Raptor, known as Dinosaur Ryuzaki (ダイナソー竜崎 Dainasō Ryūzaki) in the Japanese releases, is a character in Yu-Gi-Oh! World Championship Tournament 2004 This is a video game depiction of Dinosaur Ryuzaki, a character from the Yu-Gi-Oh! manga and anime.
Rex is a Level 2 opponent. He is unlocked by defeating all Level 1 opponents, at least three times each by having at least half of the cards from the Blue-Eyes White Dragon pack.