on (depending on the member you ask) by either the snack they were eating one day, or the smell of a fart one of the duo released one day. (reference: Ultimate Muscle 17 introduction) References External links Yudetamago's Shimada-sensei talks about Kinnikuman: 1 - 2 - 3 (Japanese) Kinnikuman Manga artists from Osaka Prefecture People from Osaka Collective pseudonyms