Gaming Giant is a term used to describe two of the most influential companies in the video game industry: Atari and Sega. Atari, founded in 1972, was the first company to produce a commercially successful video game console, the Atari 2600. Sega, founded in 1960, was the first company to introduce a 16-bit console, the Sega Genesis, which revolutionized the gaming industry. Both companies have had a major impact on the gaming industry and are considered to be gaming giants.