Dr. Octagon is a persona created and used by American rapper Keith Matthew Thornton, better known as Kool Keith. Thornton performed and released three studio albums under the alias. Having introduced the character in 1993 on the unreleased Ultramagnetic MC's demo "Smoking Dust", Thornton's first full-length recording as Dr. Octagon was on his 1996 debut solo album, Dr. Octagonecologyst.

Masters of Illusion is the eponymous debut album of American hip hop group Masters of Illusion, composed of producer KutMasta Kurt and rappers Kool Keith & Motion Man. It was released on November 14, 2000, via Threshold Records. The project features no guest emcees, but does feature DJ cuts/scratches by DJ Revolution, DJ Babu and DJ Rhettmatic.

Porn Again is a collaborative studio album by American rappers Mr. Eon and Cage and record producer DJ Mighty Mi, recording as a supergroup Smut Peddlers. It was released on February 13, 2001, via Rawkus/Priority Records. Recording sessions took place at The Muthafuckin' Spot On Lexington. Production was handled by member DJ Mighty Mi, who also served as executive producer together with his The High & Mighty partner Mr. Eon. It features guest appearances from Copywrite, Kool G Rap, Kool Keith, R.A. the Rugged Man, Apani B. Fly, Lord Sear and Beetlejuice. The album peaked at number 184 on the Billboard 200, number 43 on the Top R&B/Hip-Hop Albums and number 10 in the Heatseekers Albums in the United States. It was re-released as Porn Again Revisited on March 7, 2006, via Eastern Conference Records, with four bonus tracks that were formerly only available on vinyl.

Funke, Funke Wisdom is the fourth solo studio album by American recording artist Kool Moe Dee from the Treacherous Three. It was released in 1991 via Jive Records, making it the rapper's final album on the label.

Greatest Hits is a second greatest hits album by American rapper Kool Moe Dee. It was released in 1993 through Jive Records, making it his first compilation album on the label. The album collects Kool Moe Dee's most popular singles recorded from 1986 to 1991 during his career with Jive Records and also contains four newly recorded songs: "Gimme My Props", "Look At Me Now", "Whosgotdaflava" and "Can U Feel It", which was also released as a single.

The Original SoundTrack Album of Project Polaroid is the studio album by American hip hop duo Project Polaroid, composed of New York rapper Kool Keith and Bay Area producer TomC3. It was released worldwide on April 25, 2006 via Threshold Recordings and on June 28, 2006 in Japan via Swamp Records. Audio production of the project was entirely handled by TomC3, and featured guest appearances from Organized Konfusion's Prince Po, Masters of Illusion's Motion Man, and Third Sight's Roughneck Jihad.

The Return of Dr. Octagon is the eighth solo studio album by American rapper Kool Keith, and his second release under the 'Dr. Octagon' alias, following Dr. Octagonecologyst. It was released on June 27, 2006, on OCD International in the United States. The album revives the character of Dr. Octagon, who was killed off on Thornton's 1999 release First Come, First Served. Production for the album began in 2002 under the title The Resurrection of Dr. Octagon with producer Fanatik J.

The Dirty Version is the first solo studio album by American rapper and producer A.G. of Diggin' in the Crates Crew. It was released on September 21, 1999 through Silva Dom Records with distribution via Landspeed Records. Production was handled by several record producers, including Buckwild, Diamond D, DJ Premier, Lord Finesse, Showbiz and A.G. It features guest appearances from Big Pun, Fat Joe, Guru, Kool Chuck, KRS-One, O.C., and the Ghetto Dwellas among others.

First Come, First Served is the third solo studio album by American recording artist Kool Keith, and the first he released under the alias Dr. Dooom. It was released on May 4, 1999, by Funky Ass Records. The album featured guest appearances from Jacky Jasper and Motion Man, and was produced entirely by KutMasta Kurt and Kool Keith. It peaked at number 48 on the Heatseekers Albums.

Black Elvis/Lost in Space is the fourth solo studio album by American rapper and producer Kool Keith, and his first release under the alias of 'Black Elvis'. It was intended to be released the same day as First Come, First Served, but was pushed back by Columbia Records and ended up being released four months later on August 10, 1999, through Relativity Entertainment Distribution rather than Sony Music Distribution, denoted by the WK prefix instead of the customary CK prefix and the legal copy on the release. Black Elvis 2 followed in 2023.

Tongues is the eighth solo studio album by American rapper Esham. It was released on June 19, 2001 through Overcore Records with distribution via TVT Records. Recording sessions took place at Overture Recording in Michigan. Production was handled solely by Esham. It features guest appearances from Brittany Hurd, Kool Keith, Santos, The Dayton Family, Heather Hunter, Jill O'Neil, Mujahid and Violent J, as well as his Natas groupmates Mastamind and TNT. The album peaked at number 195 on the Billboard 200 albums chart in the United States. The project marks Esham's return to his old horror/devil sound.

Big Time is the only album by Ultra, an American hip hop group composed of Kool Keith and Tim Dog, who had previously collaborated as part of Ultramagnetic MCs. The duo only released one album, which contained many disses towards other rappers. It has been called "the holy Grail of the Kool Keith catalog, owing mostly to its rarity".

In the Storm is the third studio album by El DeBarge released in 1992 by Warner Bros. Records. The album reached No. 22 on the Blues & Soul Top UK Soul Albums chart.

Spankmaster is the sixth solo studio album by American rapper and producer Kool Keith. It was released on June 5, 2001, through Overcore/Gothom with distribution via TVT Records. Recording sessions took place at Overture Recording in Michigan. Production was handled by Santos, Jacky Jasper, Esham, Marc Live, and Kool Keith himself, who also served as executive producer. It features guest appearances from Jacky Jasper, Esham, Brittany Hurd, Heather Hunter, Laura Ruby and Mary Santos.

Collabs Tape is an official mixtape by American rapper and producer Kool Keith. It was released on June 27, 2006 for Junkadelic Zikmu and was produced by Kool Keith and DJ Junkaz Lou. The entire CD consisted of collaborations Keith had done with other artists, including Analog Brothers, Born 2wice, Brainpower, Clayborne Family, Esham, Guru, Princess Superstar, Smut Peddlers, The Cenobites, The Diesel Truckers, The Prodigy, Tim Dog, Viktor Vaughn, and Ol' Dirty Bastard.

Diesel Truckers is a studio album by American hip hop duo the Diesel Truckers, composed of New York–based rapper and producer Kool Keith and Californian DJ/producer KutMasta Kurt. It was released on August 10, 2004, via Dmaft Records and was produced by Keith and Kurt. The project spawned three singles: "Break U Off", "I Love You Nancy" and "Mental Side Effects", but neither the singles nor the album made it to any major charts. The song "Break U Off" was used in 2005 film The Longest Yard.

Dr. Dooom 2 is the ninth solo studio album by American rapper Kool Keith, and his second release under the Dr. Dooom moniker following First Come, First Served. It was released on September 23, 2008 via Threshold Recordings. The album was produced entirely by KutMasta Kurt, except for one song "God of Rap" produced by TomC3, and featured guest appearances from Motion Man, FatHed and Denis Deft.

Kool Keith Presents Tashan Dorrsett is the tenth solo studio album by American rapper and producer Kool Keith, and his debut release under his 'Tashan Dorrsett' alias. It was dropped on February 24, 2009 via Junkadelic Music, making it the rapper's first release on the label. The album featured guest appearances from Ced-Gee, Marc Live, Champ, D.Eazy, and Dgiz. The concept of the album was, in Keith's words, a reality show in which the street-smart, down-to-earth Tashan was the star. The album was produced by Junkaz Lou, who previously worked with Keith on the Official Space Tape and Collabs Tape.

Love and Danger is the eleventh solo studio album by American recording artist Kool Keith. It was released on June 5, 2012 via Junkadelic Music and produced entirely by DJ Junkaz Lou, except for two tracks produced by Big Sche Eastwood and Ariel Caban. The project featured guest appearances from Agallah, Keith Murray, Megabone, NYM, The I.M.O., and Mr. Sche.

Feature Magnetic is the fourteenth solo studio album by American recording artist Kool Keith. It was released on September 16, 2016 via Mello Music Group and produced entirely by Keith under his alias Number One Producer, except for three tracks produced by Futurewave, Giz, Ocean Ave Records, and Ol Man 80zz. The project featured guest appearances from B.a.R.S. Murre, Craig G, Dirt Nasty, Ed O.G., Freddie Foxxx, Godfather Don, Mac Mall, MF Doom, Necro, Psycho Les, Ras Kass, Sadat X, and Slug.