Although his grappling ability has been improving, his primary style remains Muay Thai kickboxing.
[1] Cummo began his professional mixed martial arts career in 2002, fighting exclusively in the Ring of Combat promotion in New Jersey.
He gained recognition on the show due to his personality, vegan and unorthodox diet (which according to Joe Rogan includes urine therapy when sick),[2] his striking ability and his love of comic books.
In the semi-finals, Cummo faced Sammy Morgan and won by knockout via a knee at 2:05 of the second round.
Cummo faced Joe Stevenson in an officially sanction bout at The Ultimate Fighter 2 Finale on November 5, 2005.