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  • Para
  • Male
Dox (younger brother)
  • Career
Previous occupationEliminator
Previous organizationIndustrial Illusions
  • Duelist
Tournament Position
Duelist Kingdom Eliminated
TeamParadox Brothers
Anime DeckLabyrinth
Other Decks
Gate Guardian
Tag ForceWandering Gatekeeper
Spirit Caller
  • Guardians Unite
  • Guardians Unite 2
Anime debutYu-Gi-Oh! episode 01919: "Double Trouble Duel, Part 1"
Video game debutYu-Gi-Oh! Reshef of Destruction
Appears in
Game Boy AdvanceYu-Gi-Oh! Reshef of Destruction
Nintendo DS
PlayStation 2Yu-Gi-Oh! GX Tag Force Evolution
Voice actors
Other languages
  • Stefan Gossler

Para, known as Mei in the Japanese version, is the older of the two Paradox Brothers. He and his brother Dox Duel as a tag team, and appear to Duel the protagonists in both Yu-Gi-Oh! and Yu-Gi-Oh! GX. Para has the kanji for half of the word "Labyrinth" on his head, with his brother's head having the other half.



The Tag-Team Duel in the Labyrinth field.

He and his brother were hired by Maximillion Pegasus to work as Eliminators in his Duelist Kingdom tournament. The two duel as a team, with their "Labyrinth Wall" card enabling them to change the playing field to resemble a complicated underground labyrinth, making gameplay more akin to a board game than a card game. The two guard an underground area of the island. It is here that they meet Yugi Muto and Joey Wheeler, who must defeat them in order to pass and move onto Pegasus' castle. They begin a tag duel against one another, and the Brothers have a cohesive strategy, with their Decks built to play off of each other's. In addition to changing the gameplay, the brothers' Decks focus on the Summoning of their powerful "Gate Guardian" monster, by gathering its component pieces onto the field.

Though they come close to victory, the brothers are defeated when Yugi fuses his "Summoned Skull" with Joey's "Red-Eyes Black Dragon" with "Polymerization" to form "Black Skull Dragon", whose attack strength was able to surpass that of their "Gate Guardian" when Joey uses his "Copycat" card to use the brother's own "Riryoku" against them. With their victory, Yugi and Joey both obtain enough Star Chips to gain entry into the tournament's final rounds. However, the Brothers still have another test that Yugi and Joey must pass. They inform them that one of the doors that leads out of the room will let them leave the caves, while the other simply leads to an endless maze. The brothers claim that from here on out, one of them will speak only lies, while the other will speak only the truth. Yugi realizes that both brothers are in fact lying, and they even have the ability to change which path leads where. They are tricked into admitting this via the use of a two-headed coin, and Yugi and Joey are able to move on.

The Paradox Brothers on top of the Great Wall of China

In the epilogue of the series, which is cut from the English version, the brothers are seen dueling Mai Valentine and Vivian Wong on top of the Great Wall of China.

Yu-Gi-Oh! GX[edit]

The Brothers are hired by Dr. Crowler to Duel Jaden Yuki and Syrus Truesdale, who will be expelled should they lose, due to their trespassing at the Abandoned Dorm. The Duel is conducted in a more normal fashion this time, with the two dueling using standard Duel Disks. Their strategy still involves the Summoning of "Gate Guardian",[3] but they also reveal an even more powerful force - "Dark Guardian", who can only be Summoned upon the destruction of "Gate Guardian". The brothers focus their efforts on Syrus, believing him to the weak link of the opposing team. This is very successful, but Jaden eventually gives Syrus the confidence to continue, and the brothers are once again defeated when their opponents pool their resources to Summon a Fusion Monster. This time, Syrus uses his "Power Bond" card to fuse his "UFOroid" with Jaden's "Elemental Hero Tempest", forming "UFOroid Fighter", making its 4000 ATK points double to 8000, which was enough to attack "Dark Guardian" and wipe out the brothers' Life Points, even though it cannot be destroyed by battle.[4]

Other appearances[edit]

In Yu-Gi-Oh! GX Tag Force, the Paradox Brothers participate in the Tag Force tournament. After completing the game once, the player may partner with either of them, and they can found during part one of the game on the cliff. Upon acquiring his Deck Recipe, Para also gifts the player with a "Gate Guardian" card.

Voice and mannerisms[edit]

In the English version, the brothers speak using Chinese accents and almost exclusively in rhyme, with one brother finishing the sentence the other began.



Opponent(s) Episode(s) Outcome
Yugi Muto and Joey Wheeler 19-21 Lose (with Dox)
Mai Valentine and Vivian Wong 224 Not shown (with Dox)
Opponent(s) Episode(s) Outcome(s)
Jaden Yuki and Syrus Truesdale 10-11 Lose (with Dox)


  1. Yu-Gi-Oh! Duel Monsters cast
  2. Yu-Gi-Oh! Duel Monsters GX cast
  3. Yu-Gi-Oh! GX episode 01010: "Tag Team Trial, Part 1"
  4. Yu-Gi-Oh! GX episode 01111: "Tag Team Trial, Part 2"


  1. This card was played as an Effect Monster that could increase the stats of another monster. It is a Normal Monster in the OCG.
  2. This card was shown during Para's demonstration of the Labyrinth system.
  3. This card changed the layout of the maze. It is an Equip Magic Card for "Labyrinth Wall" in the TCG/OGG.
  4. This card was played as a Fusion of "Labyrinth Wall" and "Shadow Ghoul". It is an Effect Monster that can only be Special Summoned by Tributing a "Magical Labyrinth"-equipped "Labyrinth Wall" in the TCG/OCG.