Paradox is the main antagonist in Yu-Gi-Oh! The Movie - Fusion Ultra! Bond Over Time and Space. He travels back in time to eliminate Pegasus and prevent Duel Monsters from ever being created.
Paradox agreed with Z-One that humanity and Duel Monsters was responsible for the plant's destruction and the Meklord Genocide. Z-One then sent Paradox back in time to kill Pegasus to prevent the game from being created. Paradox is capable of stealing the cards of his opponents and turning them into evil and corrupted versions of themselves. Paradox can also travel through time through the use of his Duel Runner as well as travel through time with it. Paradox is defeated by Yugi, Jaden and Yusei by boosting up his recovered Stardust Dragon to twice the power of Malefic Truth Dragon, effectively destroying him once again.
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Yu-Gi-Oh! The Movie - Fusion Ultra! Bond Over Time and Space
The Yu-Gi-Oh! 10th Anniversary Movie stars Yugi Muto, Jaden Yuki, and Yusei Fudo, the protagonists from the 3 main Yu-Gi-Oh! series.