Along with the Metal hero homage team idea, that "Sakura has a big adventure in japan" story was also gonna have a Korps Site-Commander who is a straight up direct homage to Doggie Kruger aka Dekamaster. Again, less of the cop, all of the badass.
His sword absolutely has a helix shaped hilt
Formerly a veteran super, one who worked along the first wave of bigs like Captain Starface, but found the Korps aligned with his goals and quickly rose to prominence, and received direct swordsmanship training from Karen herself, and dubs his new sword art Hakuryu No Banken.