Combofiend

Peter Rosas (also known as Combofiend) is an American former professional gamer, Capcom dev, commentator, and voice actor. He is well known for popularizing the usage of Nathan "Rad" Spencer's Bionic Arm hyper combo in Marvel vs. Capcom 3.

Competitive gaming career
Prior to being a developer at Capcom, Combofiend was a professional gamer having competed in fighting games such as Marvel vs. Capcom 2 and Capcom vs. SNK 2.

His most notable results are:
 * EVO 2002: Marvel vs. Capcom 2 - 3rd
 * EVO 2005: Capcom vs. SNK 2 - 4th
 * EVO 2006: Capcom vs. SNK 2 - 3rd
 * EVO World 2007: Capcom vs. SNK 2 - 7th
 * EVO 2008 - Capcom vs. SNK 2 - 7th
 * Final Round 14 - Marvel vs. Capcom 3 - 1st
 * EVO 2011 - Marvel vs. Capcom 3 - 4th
 * EVO 2012 - Ultimate Marvel vs. Capcom 3 - 4th

As of late 2012, Combofiend no longer competes in tournaments and now only commentates tournaments.

Role as a Capcom developer
Combofiend is involved at Capcom as the community manager for the Street Fighter franchise. He was involved in the making of various Street Fighter titles beginning with Ultra Street Fighter IV. He also has a page at Capcom Unity (the official Capcom forum), where he showcases upcoming content for various games in the franchise.

Voice acting
Combofiend was the official voice of Peter for Street Fighter V having played him for the game's General Story mode.

Trivia

 * The Brazilian cop in Street Fighter V, Peter was named after Combofiend's real name, Peter Rosas.