Dr. Octagon is one of Kool Keith's many alter egos. His initial release as Dr. Octagon was 1996's Dr. Octagonecologyst, on which he collaborated with Dan the Automator Nakamura and DJ QBert. After the name was dropped in favour of Dr. Dooom, it was widely believed that it wouldn't be used again until the release of 2006's The Return of Dr. Octagon, which Keith maintains was changed and released without his consent.
Cory McKay (born 1970 in Bedford-Stuyvesant, Brooklyn) , better known as Cormega or "MC Cor", is an American emcee best known for his vivid and poignant narratives about inner-city life. Cormega came up as part of the early-'90s Queensbridge, Queens, New York scene that also fostered such name acts as Nas and Mobb Deep, among many others (not to mention the preceding generation of artists affiliated with Marley Marl and the Juice Crew).
Nice & Smooth is an underground East Coast rap duo from New York, composed of Greg Nice (Greg Mays) and Smooth B (Daryl Barnes). Together, they made several albums in the late 1980s and early 1990s to little popular appeal, though their second album (Ain't a Damn Thing Changed, 1991) was a commercial success that included a minor hit in "Sometimes I Rhyme Slow". "Hip-Hop Junkies", which featured a sample from The Partridge Family's "I Think I Love You" was also a hit, and once performed live on Keenan Ivory Wayans "In Living Color".
There are several bands with this name: 1.) Gunshot were a British hip hop group formed by MC Mercury, MC Alkaline, Q-Roc and DJ White Child Rix. They released their debut single "Battle Creek Brawl" (Vinyl Solution, 1990) to some acclaim, which was followed swiftly by the single "No Sell Out/Crime Story" (Vinyl Solution, 1991). Both singles were well received within the hip hop scene, but following this release Q-Roc left the group to join Son of Noise under the name Curoc.