User blog comment:IamJakuhoRaikoben/Chapter 252: To My Damn Brats, Full of Pride, Review./@comment-2106167-20110925125632/@comment-2106167-20110925131516

Why you... What a bunch of infidels you are! Shirohige is going to rape all of you on the ground for such blasphemy!!!

Besides, there's a reason for such moustache... Have a look at the "Anime and Manga Influences" section of Whitebeard's page I linked above, and you'll know why his mustache possesses that curious shape...