Joseph Cabibbo is an American professional wrestler currently wrestling under the ring names Josef and Josef Samael on the independent circuit and in Major League Wrestling (MLW) as a member of Contra Unit with Jacob Fatu, Simon Gotch, and Ikuro Kwon. He is a one-time NWA World Heavyweight Champion and (Zero1) World Heavyweight Champion, making him an overall two-time world champion in major professional wrestling promotions.

Contra Unit is a villainous professional wrestling stable, currently performing for Major League Wrestling (MLW) and Southern Honor Wrestling (SHW). It consists of Mads Krule Krügger, Ikuro Kwon and the Sentai Death Squad. In SHW, the group also consists of Brooklyn Creed, Joe Black and Romeo Quevedok.