Age: 17 (GS), 19 (GSD) 21 (GS Movie)
Birthday: August 8
Blood type: O
Genetic type: Coordinator
Height: 175cm(GS), 177 cm(GSD) 179cm (GSmovie)
Mobile suit: GAT-X102 Duel Gundam
GAT-X102 Duel Gundam Assault Shroud
ZGMF-1001/K Slash ZAKU Phantom
ZGMF-X2000 GOUF Ignited

Gundam SEED
A member of the Le Creuset team which raids Heliopolis, who becomes the pilot of the captured Duel Gundam. A second-generation Coordinator whose mother sits on the PLANT Supreme Council, Yzak is fiercely proud of his elite status, and regards his teammate Athrun Zala as his chief rival. After clashing with the Strike Gundam, Yzak becomes even more intent on defeating the Archangel and its resident mobile suit, and the injuries he sustains in battle serve to further fuel his hatred.

Gundam SEED Destiny
The former Duel Gundam pilot now leads the Joule Team and wears the white uniform of a ZAFT commander. As the new conflict escalates, Yzak participates in the Junius Seven demolition operation and helps defend the PLANT homeland from the vengeful Earth Alliance.

(Source: GundamOfficial)