Le Gros appears across multiple productions in the same narrative universe. In "Ginga Patrol PJ," he serves as a commander and general within the Omega-based space police force, confronting threats from non-compliant planetary forces, including those led by antagonists like Le Teigneux.

Within "Seimei no Kagaku Micro Patrol," Le Gros features as part of a recurring ensemble adapted into anthropomorphic biological systems. He is categorized among the "adult" figures assuming roles inside the human body, such as immune response components or cellular functions. His portrayal aligns with authority figures overseeing bodily processes, sometimes depicted alongside colleagues exhibiting lax behavior like sleeping during duties.

The character's depiction exhibits inconsistencies across episodes, including fluctuations in apparent age and situational awareness, without in-universe explanation or developmental progression. During the series' concluding segments, Le Gros participates in a shift toward speculative science fiction themes, engaging with controversial subjects such as genetic engineering and the ethics of creating hybrid beings for labor.