超: To surpass and excel. When used in names, it often conveys the spirit of striving and relentless pursuit.
桦: The tree species, birch. "Birch" symbolizes the toughness akin to a tree, unyielding to wind and rain, metaphorically representing a robust physique conducive to good health.
Meaning: To surpass oneself, as resilient and upright as a birch tree.