He is Joey Wheeler's favorite Machine-Type that he uses to defeat Bandit Keith.
Red-Eyes Black Metal Dragon is one of the Machine-Type monsters where the player equips Red-Eyes B. Dragon with Metalmorph who has the other name of Magic Metal Force by fans. His ATK points are 2800 and his DEF are 2400.
He was seen fighting Bandit Keith's machine monster, he was previously destroyed by Sloth Machine, but Joey is able to bring him back from the graveyard with Graverobber who takes the Time Machine from Bandit Keith, then the Red-Eyes Black Metal Dragon is revived, then destroys Slot Machine, winning Joey.
In Waking the Dragons, Red-Eyes B. Dragon is once again transformed into Red-Eyes Black Metal Dragon, this time by Metalmorph.