The sixth Guardian Beast, Guardian Beast Dragon Caesar' superb combat ability matches that of Tyrannosaurus, who always comes at the sound of the Zyusouken's summoning melody, coming up from Tokyo Bay. Called Caesar for short, he can also hold his own against even Grifforzer and Lamia-Scorpion. It has a strong drill on the tip of its tail, and its Dragon Hurley, a blast of missiles launched from its fingertips, is powerful enough to smash giant Dora Monsters. Dragon Caesar can be seen emitting a pentagon-shaped force field from the lights on his chest in the design sketches, but it never did so in the series.
Because Dragon Caesar is controlled by the Zyusouken, DragonRanger hardly ever went into its cockpit, but during his final hour, Burai went into Caesar's cockpit for his very last fight. After Burai's death, Dragon Caesar became confused and very depressed, but he soon realized that despite Burai being gone, the other Zyurangers still needed his help and accepted Geki as his new master. Forms Gouryuujin's chest and Dragon Antler as well as Zyutei Daizyujin's shoulder armor. Parts of him also become King Brachion's chest and tail in the Ultimate Daizyujin formation.