A Star Command Space Ranger and central protagonist stranded on T'Kani Prime. He volunteers to test hyperspace technology, causing severe time dilation that strands him decades into the future. He teams up with new recruits to fight Zurg's robot army, discovers Zurg is an alternate version of himself, and ultimately sacrifices the fuel to protect the colony's timeline before reestablishing the Space Ranger Corps.
Alisha commands Buzz during the initial mission and colony years.
The plot identifies Alisha Hawthorne as Buzz Lightyear's commanding officer during the exploration of T'Kani Prime.
SOX is Buzz's most consistent companion across decades of time dilation.
Buzz is given SOX as a robotic feline companion, and SOX accompanies him on hyperspace tests and later missions.
Their relationship develops from suspicion into effective cooperation.
Buzz meets Alisha's adult granddaughter Izzy, initially distrusts the group, and later works with her against Zurg's forces.
Mo becomes a useful member of Buzz's improvised combat team.
Mo joins Buzz, Izzy, and Darby during the mission against the invading robots.
Their cooperation helps the group survive and oppose Zurg's invasion.
Darby joins Buzz and the other defense-force members during the survival, repair, and sabotage missions.
Their conflict drives the film's central action and moral choice.
Buzz opposes Zurg's invasion, refuses to provide the fuel, and fights him during the final confrontation.
Buzz leads the resistance against the robotic invasion.
Buzz and the defense-force members plan to destroy the invading Zyclops force at its mothership.
Explore the full interactive character relationship map of Lightyear
Related entry on Wikidata (Q1986193), public domain (CC0).