Soldier Blue is the first leader of the Mu people. He has grown weak and tired though his long journey.
Soldier Blue awoken to his exceptionally strong psionic abilities during his adult examination in the educational city of Altamira on Ganymede. After his awakening he was tested on and imprisoned with other Mu. When the humans decided to blow up Ganymede with the Mu on it he helps the other Mu to safety. This begins his long journey for peace between the Mu and Humans.
After hundreds of years trying to find peace for his people Soldier Blue has grown weak and tired, he must find someone new to lead his people to survival. Soldier Blue entrust this burden on Jomy, the one whom he thinks is able to finally lead the Mu to a peaceful life. After using the last of his energy to find and save Jomy, Solider Blue is exhausted and enters a deep sleep.
After 15 years in his deep sleep Soldier Blue is awoken to save the Mu's new home of Nazca they worked so hard to achieve. Blue sacrifices himself to destroy the planet destroying weapon, the Meggido Cannon, by using what is left of his strength to destroy the core.