Athrun Zala

In Gundam SEED:

A member of the elite Le Creuset team which attacks Heliopolis, Athrun subsequently becomes the pilot of the captured Aegis Gundam. Athrun has a talent for mechanical tinkering, and has created numerous robot pets for his friends and acquaintances.

In Gundam SEED Destiny:

Athrun took up residence in Orb after the end of the previous war, taking on the alias Alex Dino and assisting Cagalli as her aide and bodyguard. When he accompanies Cagalli to Armory One for a meeting with Chairman Durandal, Athrun is drawn into the new conflict, and with the fall of Junius Seven and the outbreak of full-scale war he decides to cast aside his false identity and return to the battlefield.