Tenzan appeared in the video for "Yonaoshi Good Vibration" by Japanese metal band Sex Machineguns.
During a tag team match with Hiroyoshi Tenzan against then-IWGP Tag Team Champions, Togi Makabe and Toru Yano, Iizuka turned on Tenzan with his trademark sleeper hold, turning heel and joining GBH as their newest member and their insider in the New Japan Seikigun.