Matthew Capiccioni (born December 31, 1980)[3] is an American professional wrestler, better known by his ring names M-Dogg 20, Matt Cross and Son of Havoc.

He wrestled for promotions including the Union of Independent Professional Wrestlers, where he defeated Jerry Lynn to win the vacant UIPW Championship on October 11, 2003.

[1] In 2006 he made his debut for Hawaii-based promotion Action Zone Wrestling at their one-year anniversary show in a match against another indy star in Super Hentai in 2006.

[12] On February 16, 2007, M-Dogg unsuccessfully challenged Josh Prohibition for the UWA Canadian Championship, in a three-match also involving Sonjay Dutt.

One month later at UWA's Return of the Phoenix event, M-Dogg 20 lost the Canadian Championship to Prohibition in a gauntlet match also featuring Rip Impact.

During November 2009, Capiccioni participated in the Hulkamania tour of Australia, using the ring name Spartan 3000 and took part in a best of three match series for a prize of US$25,000 with Shannon Moore.

[16][17] He made his Combat Zone Wrestling (CZW) debut in 2002, appearing at Process of Elimination in April, and defeating Prohibition to qualify for the annual Best of the Best tournament.

[27] Capiccioni, as Matt Cross, made his debut in Ring of Honor (ROH) on October 7, 2006, at Motor City Madness in a six-man mayhem match, which was won by Pelle Primeau and also involved Jimmy Rave, Shane Hagadorn, and Dave and Jake Crist.

He faced Daniels again at The Chicago Spectacular Night 1 on December 8, in a four-corner survival match, which was won by B. J. Whitmer and also included Davey Richards.

[11] At This Means War II in April, The Resilience lost a six-man elimination match to the NRC (Strong, Richards, and Rocky Romero).

At Death Before Dishonor V: Night 2 in August, The Resilience and Delirious lost a Philadelphia Street Fight to the NRC and Matt Sydal.

[28] At Motor City Madness 2007 on September 14, Cross and Aries unsuccessfully challenged the Briscoe Brothers (Jay and Mark) for the ROH World Tag Team Championship.

The next Cross appeared in ROH was at Steel City Clash on March 20, 2009, when he teamed with Stevens in a loss to Rhett Titus and Kenny King.

At A Cut Above the following month, he made his final appearance in ROH as he competed in a four-corner survival match, which was won by Claudio Castagnoli.

As part of the television tapings, The Filth and The Fury defeated The Trailer Park Boyz (Nate Webb and Josh Raymond) and Team Dragon Gate (Yoshino and Horiguchi) before losing to Los Pochos Guapos (Kaos and Aguilera).

As Matt Cross, he debuted in German Stampede Wrestling in 2007, and was part of a four-way for the Breakthrough Championship against Germany's Thumbtack Jack, Steve Douglas and X-Dream, who eventually won the match.

In April 2010, Cross was a surprise guests (along with Chris Hero, Claudio Castagnoli, Douglas Williams and Ares) for GSW's final show.

On July 15, 2010, Capiccioni, under his Matt Cross ring name, wrestled a try-out match alongside Jamin Canseco against The Gatecrashers (Vance Archer and Curt Hawkins) on an episode of Superstars.

[46] He assumed a masked character by the ring name of Son of Havoc, and wrestled during the first episode of Lucha Underground on October 29, defeating Sexy Star.

[48] On the May 20 episode of Lucha Underground, Ivelisse, Havoc and Angélico successfully retained their championships in a ladder match against The Crew (Cortez Castro, Mr. Cisco and Bael).

[49] They lost the titles to The Disciples of Death on the first night of Ultima Lucha, but managed to regain them in the show's second season before losing them again in the finals of another Trios Tournament.

[51] Cross returned to the National Wrestling Alliance on January 24, 2020, at their Hard Times PPV, competing in the TV Title tournament.