Card Trivia:Barrel Dragon
- This is the cover card of the OCG version of Metal Raiders.
- This monster appears in the artwork of "Proton Blast".
- This monster is based on the Russian roulette, a lethal game of chance using a revolver.
- This card's effect of allowing the player to toss a coin 3 times and destroy an opponent's monster if at least 2 of the results are heads is also based on Russian roulette.
- In the Yu-Gi-Oh! manga, this card's owner, Bandit Keith Howard, claimed to have played Russian roulette at least once, during his slump after losing to Maximillion J. Pegasus.
- This card has a "Toon" counterpart: "Toon Barrel Dragon".
- This card has a Rush Duel Normal Monster counterpart: "Ice Barrel Dragon".
- This is the first card to have a coin toss effect in Yu-Gi-Oh! Rush Duel.
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! Duel 121 (Duelist Duel 62): "Rise of the Machines", specifically from the panel showing this monster with its ATK and DEF decreased, after being affected by the effect of "Time Wizard".