Leonardo Medici Bundle, also called Bundoru, was initially one of three chief officers in the Dokuga organization under Lord NeoNeros. As a high-ranking Dokuga general, he engaged in military operations against the GoShogun team. His loyalty shifted during a critical confrontation when Dokuga officers and GoShogun pilots allied against a common enemy to prevent mutual destruction. This alliance led Bundoru and fellow Dokuga generals to turn against NeoNeros, joining the GoShogun team in their final battle.

Forty years later, Bundoru maintained contact with former comrades like Remy Shimada. When Remy suffered critical injuries in a hovercar accident with a terminal prognosis, Bundoru reunited with the team at her hospital bedside. He entered Remy's comatose dream state, manifesting there alongside other team members as a younger version of himself.

Within Remy's subconscious struggle, set in a surreal desert city where inhabitants enforced fatalistic "blood baptisms" predicting deaths, Bundoru appeared in military fatigues instead of his original attire. Demonstrating resourcefulness and loyalty, he acquired transportation during this dream sequence, securing a motorbike to aid Remy's escape. He pragmatically justified taking the motorbike as "lending without paperwork."

Bundoru possessed distinctive blue or green skin (sources vary) and significant stature. In later years, he wore casual clothing, including a tracksuit with a penguin emblem. He consistently displayed combat competence and a protective stance toward teammates. His relationship with the group, forged through shared adversity against Dokuga, evolved into enduring camaraderie, evidenced by his efforts to support Remy during her crisis.