- "Mad Archfiend" did not have its second effect the first time Jack Atlas used it.
- In the anime, "Mad Archfiend's" attack is called One Shard Shower in the original and Bone Shard Shower in the dub.
- In episode 2, this card is shown in a flashback that occurred two years ago (which was shown at the beginning of the episode). Jack Atlas uses this card during his Ground Duel against Yusei Fudo. Yusei uses "Junk Warrior" to attack this card, but Jack activates "Shadow Spell" to immobilize "Junk Warrior" and decrease its ATK by 700. This card then attacks and destroys "Junk Warrior", winning Jack the duel. How this is possible is not made clear as Yusei had 300 Life Points and the difference between the two monsters' ATK would have only been 200.
- In episode 4, Jack uses this card during his Turbo Duel against Yusei. He Normal Summons this card in Attack Position. This card then attacks and destroys "Quillbolt Hedgehog". This card then inflicts piercing damage to Yusei. Later "Junk Warrior" attacks and destroys this card.
- In episode 33, this card is shown in a flashback Crow has when he remembers the days in which Kalin was Yusei, Jack, and his friend, and that they (as the Enforcers) would defeat other groups in Satellite and claim the locations by the defeated groups and set some sort of satisfaction to their living situation. Jack uses this card during his Ground Duel against a member of the Magician's Four. Jack summons this card on the first turn of the Duel, but what happens next is unknown as it soon skips ahead to the final turn of the Duel.
- In episode 62, Jack uses this card during his Turbo Duel with Crow Hogan and Yusei against Rex Goodwin. He Normal Summons this card in Attack Position. In the next episode, Jack activates the effect of "Magic Hole Golem" to halve this card's ATK until the End Phase and allow this card to attack directly this turn. This card then attacks directly. Crow then activates "Shadow Dance" to inflict 1000 damage to Goodwin. Yusei then activates "Rising Rush" to Special Summon "Junk Synchron". On Jack's End Phase, the effect of "Magic Hole Golem" expires. On Jack's next turn, he tunes this card and "Magic Hole Golem" with "Sinister Sprocket" in order to Synchro Summon "Red Dragon Archfiend".
- In episode 76, Jack uses this card during his Ground Duel against Syd. He Normal Summons this card on the first turn of the Duel. Later "Assault Wheel" attacks this card. This card's second effect then activates, switching it to Defense Position. "Assault Wheel" then destroys this card and inflicts piercing damage to Jack.
- In episode 83, Fake Jack Atlas uses this card during his Turbo Duel against the real Jack. After he Normal Summons this card, Jack activates "Powerful Rebirth" to Special Summon "Dread Dragon" from his Graveyard with its ATK and DEF increased by 100 and its Level increased by one. Jack assumed that Fake Jack was going to attack "Dread Dragon" with this card, but this turned out to be wrong as Fake Jack then activates his own "Powerful Rebirth" to Special Summon "Dark Resonator" from his Graveyard with its ATK and DEF increased by 100 and its Level increased by one. Fake Jack then tunes this card with "Dark Resonator" in order to Synchro Summon "Red Dragon Archfiend".
- In episode 98, Jack uses this card during his Turbo Duel against Andre. After he Normal Summons this card, Jack activates "Powerful Rebirth" to Special Summon "Dark Resonator" from the Graveyard with its ATK and DEF increased by 100 and its Level by increased by one. Jack then activates "Rage Resynchro" to send this card and "Dark Resonator" to the Graveyard and revive "Red Dragon Archfiend" with 500 more ATK.
- In episode 112, this card is shown when Max looks through his Deck.