Canard Pars was a member of the Earth Alliance's Eurasian Federation and pilot of the CAT1-X1/3 Hyperion Gundam Unit 1 until the end of the war in September C.E. 71. He was a failed prototype of the same "Ultimate Coordinator" project that produced Kira Yamato, the only that survive. To prove that he wasn't such a failure after all, he went on a quest to kill Kira.

When the Earth Alliance acquired the N-Jammer Canceller technology, Canard was determined to upgrade his mobile suit with it, so that he would have no constraints on his "Armure Lumiere" beam barrier. He fought against Al Da Flaga clone Prayer Reverie, pilot of the YMF-X000A Dreadnought, trying to obtain the N-Jammer Canceller several times. Canard later destroyed Hyperion Unit 2, piloted by Balsam Arendo when he deserted the Alliance.

In the end, Canard was defeated by Prayer, but didn't die; Prayer protected him from the explosion of Hyperion's overloading reactor and died shortly after due to flaws in the cloning process.

Canard shortly thereafter switched sides to the Junk Guild, abandoning his quest to kill Kira, and piloted the rebuilt Dreadnought Gundam, the YMF-X000A/H Dreadnought H.

He then makes an appearance in the new (apparently final) manga of Gundam SEED, Gundam SEED Destiny Astray.