Karma (Halo player)

Esports, short for electronic sports, is a form of competition using video games. Esports often takes the form of organized, multiplayer video game competitions, particularly between professional players, played individually or as teams.

Major League Gaming Corp. (MLG) is a professional esports organization. MLG is headquartered in New York City, New York and was founded in 2002 by Sundance DiGiovanni and Mike Sepso. MLG has held official video game tournaments throughout the United States and Canada. The Boost Mobile MLG Pro Circuit was a television broadcast of Halo 2 MLG tournaments in 2006 and 2007, ESPN.com, and other broadband sites. The company has also been involved in television production, and game development. MLG's aim is to elevate computer and console game tournaments to viable competitive and spectator events.

Tom Taylor, known by the gamertag Tsquared, is a former professional gamer and captain of one of the most successful teams in Major League Gaming (MLG) history, Str8 Rippin, and was also the coach of Status Quo during the 2010 National Championships in Dallas where he helped them place 2nd behind Final Boss. Making him one of the only players to also coach an event. He was signed to a US$250,000 contract by MLG and earned between $120,000 and $150,000 each year in prize money and endorsement deals. He has founded his own company, Gaming Lessons, which tutors prospective professional gamers on various video games, specifically on the Halo series. Several other professional gamers from MLG are also employed by Gaming Lessons as instructors. He also runs an active YouTube channel with over 10,000 subscribers and 24 hours' worth of content.

Dan Ryan is a retired professional Halo player, widely considered one of the greatest professional Halo players of all time. He had 32 Halo championship tournament wins and maintains the position of the highest-average placing professional player in Halo esports history.

David Walsh is a retired American professional esports player. His professional career in gaming began in 2004 under the name Walshy. He is widely regarded as one of the greatest and most successful Halo players of all time.

Tom Ryan, known under the pseudonym Ogre 2, is a retired professional Halo player from Columbus, Ohio. He is widely considered to be the greatest Halo player of all time. He and his twin brother Dan are known as the "Ogre Twins". In 2005, the Ogre Twins won the gold medal in Halo 2 at the World Cyber Games. His esports tournament history includes in Halo: Combat Evolved, Halo 2, Shadowrun, Halo 3, Halo: Reach, Halo 4, Halo 5: Guardians, Halo 2: Anniversary, and Call of Duty: Ghosts.

Matthew Haag, better known as Nadeshot, is an American former professional Call of Duty player and the founder, co-owner and CEO of 100 Thieves. As a professional Call of Duty player, Haag was a former captain of OpTic Gaming in the 2014 Call of Duty: Ghosts season and the 2014–2015 Call of Duty: Advanced Warfare season, playing the objective support role.

Final Boss was a professional esports team that competed in Halo competitions sponsored by Major League Gaming (MLG) and other tournaments. With its most successful lineups consisting of a core of Dan "Ogre 1" Ryan, Tom "Ogre 2" Ryan and Dave "Walshy" Walsh, Final Boss is regarded as one of the best Halo teams of all time due to their numerous tournament victories and MLG National Championships from 2004 to 2010. They also hold the record for the longest consecutive event winning streak, with 8 straight tournament victories from 2005 into 2006.

Str8 Rippin is a professional Halo team in the United States that competes in the Halo Championship Series. Str8 Rippin was first formed in 2005 for Halo 2 on the Major League Gaming (MLG) Pro Circuit. Their most successful period was during the MLG Halo 3 Pro Circuit, when they won several tournaments. Tom "Tsquared" Taylor was their longtime captain and was considered the face of the team for several years.

Team Envy was an American esports franchise based in Dallas, Texas, owned by Envy Gaming. Founded in 2007 as a professional Call of Duty team under the moniker Team EnVyUs, they fielded rosters in Counter-Strike, FIFA, Fortnite, Gears of War, Halo, League of Legends, Chess, Magic: the Gathering, Overwatch, Paladins, PUBG, Rocket League, SMITE, StarCraft, Super Smash Bros., Street Fighter and Valorant. Following the merger between Envy Gaming and OpTic Gaming, Envy Gaming retired the Team Envy brand in June 2022, shifting all of them to the OpTic Gaming moniker.

Splyce (SPY) was a professional esports organization and media company based in Rochester, New York. Their League of Legends team was a franchise member of the LEC, Europe's top professional league for League of Legends. Splyce announced its rebranding from Follow eSports in November 2015. On November 29, 2019, Splyce's parent company, OverActive Media, announced it had merged Splyce with its other esports subsidiary, MAD Lions, and that all of Splyce's teams would henceforth compete under that name.