User blog comment:Xilinoc/Ch. 598 - The Shooting Star Project (We Only Have To Beat You Mix)/@comment-25244173-20140926062057/@comment-11051098-20140928200256

Kinda like Yamamoto when he took off his robe from the waist up and revealed a muscular body, despite his appearance as an old man.

I get the feeling you might be correct and Ichibei could be the one who invented Hakuda.