Graham Aker is a pilot and antagonist of Gundam 00 and rival of Setsuna F. Seiei.
He is an American Flag Fighter of the Union, and is well-known for his high-speed, high-risk piloting style.
He pilots the Flag Custom, the Union Flag, and later a custom Ahead (known as the Ahead Sakigake), the Masurao, the Susanowo, the Brave Commander Test Type in A Wakening of the Trailblazer, and the Gundam Exia Repair IV.