Live action TV
Description
Lasse Aeon is a supporting character in the anime Mobile Suit Gundam 00 Re:(in)novation, serving as a core crew member of the armed intervention organization Celestial Being. Born on October 16, 2282, Lasse had a turbulent past, reportedly having been involved with a mafia organization before being recruited as a candidate Gundam Meister for the Gundam Exia. Though he did not become a primary Meister, he proved invaluable as a technical support specialist, helmsman, and gunner aboard the mothership Ptolemaios. Over the course of the story, he also serves as a reserve Gundam Meister, piloting the GN Arms support units and, in critical situations, the 0 Gundam.

Lasse is characterized by his fearlessness in combat and a strong sense of loyalty toward his comrades. He rarely shows fear, even in the most dangerous situations, and is protective of his friends. At the same time, he often displays a cynical and fatalistic attitude, especially when dealing with the harsh realities of war. Despite this outward cynicism, he maintains friendly and personable relationships with the rest of the crew, balancing his professional duties with a sociable side. His motivation is rooted in a commitment to Celestial Being’s cause of eradicating conflict, and he is willing to put his life on the line for the mission and for his fellow soldiers.

During the final battle of the first season against the United Nations forces, Lasse pilots the GN Armor Type-E alongside Setsuna F. Seiei. In that engagement, he is exposed to toxic GN particles, which later cause a serious degenerative condition that ravages his body. After surviving the battle, he is rescued and, despite a grim prognosis, chooses to continue serving Celestial Being in the second season. He takes on the role of lead pilot and gunner aboard the new Ptolemaios II, and also supervises the civilian Saji Crossroad, demonstrating his capacity for guidance and leadership.

Key relationships include his close working bond with the Gundam Meisters, especially Setsuna, whom he supports in combat and on reconnaissance missions. He also interacts frequently with the Ptolemaios crew, including helmsman Lichtendahl Tsery, whom he often backs up during engagements. Notable abilities include expert piloting of support mobile suits and technical engineering skills essential for maintaining Celestial Being’s advanced equipment. His combat proficiency, technical knowledge, and unwavering dedication make him a vital, if less prominent, pillar of the organization’s operations.