[2] The promotion was founded in 2003 by Onryo and Qp-Crazy frontman The Crazy SKB [ja].

[3] On December 13, 2003, Onryo and The Crazy SKB co-produced a professional wrestling event in Tokyo that would become known as "666 vol.

[4] The first events were mostly held at the Tokyo Battle Sphere until the promotion was banned from the venue that deemed their performances too extreme.

Triple Six moved to the Differ Ariake arena which ended up also banning the promotion after The Crazy SKB destroyed equipment and broke into the Pro Wrestling Noah office.

Triple Six also promotes three sub-brands: Shinjuku Ni-chōme Pro-Wrestling which began as a collaboration with the gay magazine Badi, Young Pro-Wrestling Wasshoi which features younger wrestlers, and Young Ribbon Wasshoi, a joint venture with women's wrestling promotion Ice Ribbon.