When asked about the origin of the band name on a song program, the members of S. Kiyotaka & Omega Tribe explained that they were "the last companion" to give a heavy impression to the "final race".

[3] During the 1986 and Carlos Toshiki eras, the project hired African-American musicians to be backing members of the band, including drummer Marty Bracey, bassist Wornell Jones, vocalist Maxayn Lewis, and vocalist Joey McCoy, who would later join as an official member in 1988.

Originally formed as 1986 Omega Tribe (1986オメガトライブ), the band consisted of lead vocalist Carlos Toshiki and guitarist Teruka Kurokawa as well as Takashima and Nishihara, who both returned to the project.

Unlike the previous bands, Brand New Omega Tribe only consisted of its lead singer, Masahito Arai, and is considered a solo project.

[5] Masahito had met with Fujita and agreed to be the new vocalist for Omega Tribe after the break up of Carlos Toshiki & Omega Tribe two years prior, and instead of other members performing the instrumentals, the songs were produced by Fujita and his production team with the help of studio musicians.

was a short-lived offshoot band that consisted of guitarist Shinji Takashima, keyboardist Toshitsugu Nishihara, vocalist Satoshi Mikami, drummer Michihisa Ikeda, and bassist Soichi Sakauchi.

[5] Weather Side (ウェザーサイド) was an offshoot band that consisted of guitarist Shinji Takashima, keyboardist Toshitsugu Nishihara, and vocalist Hideaki Takatori.

It consists of Bracey, Jones, Gotō, as well as keyboardist Tomoharu Hani and guitarist Nishiyama "Hank" Fumio.