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Declan Akaba with "D/D/D Wave King Caesar", "Flame King Genghis", and "Gust King Alexander".
  • ディーディーディー
  • DDD (base)
  • ディーディーディー (ruby)
  • Dīdīdī (romanized)
  • DDD (translated)
  • DDD (manga)
  • D/D/D
  • D/D/D
  • D/D/D
  • DDD
  • DDD (base)
  • 디디디 (ruby)
  • DiDiDi (romanized)
  • DDD (translated)
  • D/D/D
  • D/D/D
Anime appearances
Manga appearances

"D/D/D" stands for "Different Dimension Daemon". Taste the power of demon kings that have conquered different dimensions.

— Declan Akaba on "D/D/D".

"D/D/D" (ディーディーディー Dīdīdī), known as "DDD" in the English manga, and pronounced "Triple D" in the dubbed anime, is a sub-archetype of the "D/D" archetype used by Declan Akaba in the Yu-Gi-Oh! ARC-V anime and manga. The "D/D/D" monsters serve as the "bosses" of the "D/D" archetype due to most of the archetype's gameplay focusing on their Summoning, along with the fact that "D/D/D" monsters generally have higher ATK/DEF and stronger effects than normal "D/D" monsters.



"D/D/D" monsters are named after either a historical figure, usually a military leader, or some form of the end of the world (e.g. "Armageddon") and they encompass all of the Extra Deck monsters, as well as some Main Deck Effect Monsters.

In Japanese, most of their names include puns on office roles, creating a demonic hierarchy-themed archetype, though this nuance is difficult to translate. The pun often relies on the kanji 「おう」 (Ō, "King") and "O" in English meaning "Officer", as in "D/D/D Doom King Armageddon's" 「おう」 (Shi'iō, "Death Great King") sounding nearly identical to "CEO" (Chief Executive Officer) in Japanese, which was localized as "Doom King".

Each of the "Super Doom King" monsters is based on a main antagonist from a previous anime series.


According to Declan Akaba, "D/D/D" is short for "Different Dimension Demon" (ディファレント・ディメンション・デーモン Difarento Dimenshon Dēmon).[1][2] In the English dub, Declan does not mention what "D/D/D" stands for.

"Different Dimension" refers to the fact that there are "D/D/D" monsters of all Extra Deck monster types, with each Extra Deck monster type (Fusion, Synchro, Xyz, and Link) originating from a different dimension.



Historical/Legendary Figures

The following "D/D/D" monsters are named after historical or legendary figures.

The names of "D/D/D Flame High King Genghis", "D/D/D Gust High King Alexander", and "D/D/D Wave High King Caesar" in the OCG feature the word "Executive" after the word "High King". This word is absent in the TCG versions of the cards.

Type D/D/D Historical/Legendary Figure Corporate title
(Main Deck)
Dragon King Pendragon Uther Pendragon/King Arthur
Supreme King Kaiser Kaiser
(Main Deck)
Rebel King Leonidas Leonidas of Sparta
Knowledge King Tomb Conquistador[note 1] Conquistador CKO
Fusion Dragonbane King Beowulf Beowulf
Flame High King Genghis Genghis Khan Executive
Flame King Genghis
Oracle King d'Arc Joan of Arc
Synchro Cursed King Siegfried Siegfried
Gust High King Alexander Alexander the Great Executive
Gust King Alexander
Xyz Marksman King Tell William Tell
Stone King Darius Darius I
Wave High King Caesar Gaius Julius Caesar Executive
Wave King Caesar
Link Abyss King Gilgamesh Gilgamesh CNO

The following "D/D/D" monsters are named after mythical apocalyptic events. Typically, their card artwork features the monster sitting upon a throne.

Type D/D/D Apocalypse Corporate title
(Main Deck)
Oblivion King Abyss Ragnarok Ragnarök かいちょう (chairperson)
Fusion Wave Oblivion King Caesar Ragnarok[note 2]
Xyz Deviser King Deus Machinex Deus ex machina しゃちょう (president)
Duo-Dawn King Kali Yuga Kali Yuga そうぎょうしゃ (founder)[note 3]
Doom King Armageddon & Counterpart Forms

The following "D/D/D" monsters are either "D/D/D Doom King Armageddon", or are alternate forms of the monster. The three Extra Deck forms of the monster each also reference an antagonist character from a Yu-Gi-Oh anime series.

Type D/D/D YGO Antagonist Apocalypse Corporate title
(Main Deck)
Doom King Armageddon Armageddon CEO
Vice King Requiem Requiem COO
Chaos King Apocalypse Apocalypse きょくちょう (director general)
Fusion Super Doom King Purple Armageddon Zorc Necrophades/Nightshroud Armageddon CEO
Synchro Super Doom King Bright Armageddon Z-one
Xyz Super Doom King Dark Armageddon Don Thousand


"D/D/D" monsters from the Yu-Gi-Oh! ARC-V manga are all based on the number 0, due to their owner Reiji Akaba's obsession with the number in the manga. The primary two "D/D/D" monsters are based on famous mathematicians, while the G.O.D. monster "Go! - D/D/D Divine Zero King Rage" is based on Reiji himself.

Type D/D/D Origin
(Main Deck)
Destiny King Zero Laplace Pierre-Simon Laplace
Supersight King Zero Maxwell James Clerk Maxwell
Divine Zero King Rage Reiji Akaba

Playing style[edit]


  1. Not an OCG/TCG card.
  2. The monster is thematically a Fusion of "D/D/D Oblivion King Abyss Ragnarok" and "D/D/D Wave King Caesar"; its name thus contains both an "apocalypse" portion and a "historical king" portion.
  3. The pun is only on そうぎょう (founding), but this appears to be a reference to the title そうぎょうしゃ (founder)