Rex Raptor, known as Rex Raptor (ダイナソー竜崎 Dainasō Ryūzaki) in the Japanese version, is a character in the video game, Yu-Gi-Oh! Dungeon Dice Monsters. He is based on Dinosaur Ryuzaki from the Yu-Gi-Oh! manga.
As the name suggests, he has an army of dinosaurs under his command. Though his sharp eyes give him a frightening look, he isn't a bad person.
Rex's Dice Pool contains Dragon monsters.