Fan Dumb: In the 90s, he actually was involved in one of the squickiest incidents of Fan Dumb ever in X Japan fandom, when he appeared on a TV show and a Fan Girl waved from the crowd with a wooden dildo, asking him to sign it. Sadly, said clip has been removed from Youtube and seems to permanently have disappeared into the ether, but a discussion of it can be found here.
Narm: The entire body of Toshi's Masaya-influenced "iyashi-kei" healing music and T-Earth, right down to the band concept for the latter.