mobile fighter g-gundam
that depends on what side of the war you're talking about.....and there were many aces for both zeon and the earth federation. if you mean the main ace (and main character of the series) and pilot of...
"akatsuki" and "strike freedom"
Akatsuki with its golden amour (Cagalli Yula Attha, then Neo Roanoke - aka Mu La Flaga) Thats about it.
gundam seed is the previous set and gundam seed destiny is the one after gundam seed