Lucy Liberty is a young female character in the anime F-Zero Falcon Densetsu. She is a devoted fan of the F-Zero racing series, particularly fascinated by the machines and their technology. Her first appearance occurs when she and her friends are on a bus traveling to an F-Zero race on the planet Nintese; the bus is attacked by a biker gang, and Ryu Suzaku and Captain Falcon intervene to rescue them. Impressed by their actions and motivated by her deep interest in F-Zero, Lucy decides to join the Elite Mobile Task Force, also referred to as the Galaxy Mobile Platoon, where she becomes an apprentice to Dr. Clash. She pilots her own machine called the Elegance Liberty.

Lucy is generally upbeat, kindhearted, and eager to please, making her a friendly and approachable presence within the team. She is one of the youngest members of the task force and often tries to stay on everyone's good side. Her enthusiasm for F-Zero extends beyond simple fandom; she possesses a solid technical knowledge of the racing machines, which she applies both in her role as a pilot and in her support duties for the task force. Her primary motivation is to help her friends and protect others, as well as to prove herself as a capable racer and team member.

In the story, Lucy serves as a supporting character who aids Ryu and the other main protagonists in their missions against the Dark Million organization. She develops close bonds with her fellow task force members, particularly with Ryu Suzaku and the younger pilot Jack Levin. Over the course of the series, her confidence and racing skills grow as she gains more experience under Dr. Clash's mentorship and through direct involvement in conflicts. Her notable abilities include her technical savvy with F-Zero machines, her piloting skill in the Elegance Liberty, and her willingness to put herself in danger to assist others.