Graham Aker is a prominent character in the anime series 'Kidou Senshi Gundam 00'. He is a skilled pilot for the Union of Solar Energy and Free Nations, known for his exceptional abilities and strong sense of honor. Initially serving as an antagonist, his fascination with the Gundams and their pilots leads him to become a rival to the protagonist, Setsuna F. Seiei. Graham's character evolves throughout the series, showcasing his complex personality and deep-seated desire to challenge himself in combat, ultimately becoming a pivotal figure in the overarching narrative.