This article is about the band. For other uses, see IMX (disambiguation).
Background information
Also known as IMx
Origin Los Angeles, California, U.S.
Genres R&B
Years active 1992-present
Labels Virgin, MCA, TUG, New Line
Associated acts B2K, TG4, Mila J
Members Marques "Batman" Houston
Jerome "Romeo" Jones
Kelton "LDB" Kessee
Past members Don "Half Pint" Santos

Immature (also known as IMx) is an American R&B boy band, managed by record producer Chris Stokes. Its members include Marques "Batman" Houston (born August 4, 1981), Jerome "Romeo" Jones (born October 25, 1981), and Kelton "LDB" Kessee (born January 27, 1981), all natives of Los Angeles, California, where the group was formed. The group released four albums under the Immature moniker including On Our Worst Behavior in 1992 which included former member Don "Half Pint" Santos, later replaced by Kessee, Playtyme Is Over in 1994, then We Got It in 1995 and finally in 1997 released the album, The Journey.

In 1999, the group changed its name to IMx, marking ten years of being a group and released two studio albums Introducing IMx and IMx, and then released a Greatest Hits album in 2001. The group also branched out into film (such as House Party 3 & House Party 4: Down to the Last Minute) and television (such as A Different World, Sister, Sister, Family Matters and All That) before disbanding in 2002. In 2010, Houston announced on 106 & Park that the group were planning to record another group album together for 2011. A new album is currently in the works titled "Forever Immature". It was scheduled to be released in Summer 2013, along with a tour, however, a release has yet to be given for the project. On November 6, 2013, Immature performed their first show since reuniting at Club Nokia in Los Angeles, CA with Next and Dru Hill.


Immature was formed in Los Angeles, California in 1992 by Marques "Batman" Houston, Jerome "Romeo" Jones and Don "Half-Pint" Santos. Kelton "LDB" Kessee (the group's drummer) joined the group in 1994 replacing Santos due to his parents pulling him from the group in 1994 after they starred together in House Party 3. In 1999 the group would change their name to IMx, feeling Immature no longer reflected the band.

After IMx

In 2002, the group disbanded. Houston and Jones (under the name Young Rome) began solo careers, while Kessee continued his work as a record producer. Houston became the first former member to release a solo album, MH, in 2003. Jones followed suit with the release of his debut solo album in 2004, entitled Food for Thought. Houston later released five additional albums: Naked (2005), Veteran (2007), Mr. Houston (2009), Mattress Music (2010) and Famous (2013).

Houston and Jones have also pursued acting careers, with both starring in the dance film, You Got Served (2004). Houston co-starred on Fat Albert (2004) and starred in UPN's comedy Cuts. He also starred in the horror film Somebody Help Me. He appeared as Roger on the show Sister, Sister (1994–1998). Santos recently got married

Music career


On Our Worst Behavior

Main article: On Our Worst Behavior

In 1992, Immature released their debut album, On Our Worst Behavior, on September 22. The album featured singles "Da Munchies", "I Wanna Know U That Way" and "Tear It Up (On Our Worst Behavior)" (which also appeared on the soundtrack for the animated film Bébé's Kids, in which Houston provided his voice for the character Khalil).

Although the album failed to make it onto any of Billboard's charts, their song "Tear It Up (On Our Worst Behavior)" managed to make it onto Billboard's Hot R&B/Hip-Hop Songs, peaking at number 39.[1]

Playtyme Is Over

Main article: Playtyme Is Over

Immature released their second album, Playtyme Is Over, on August 2, 1994. The album featured singles "Never Lie", "Constantly" and "I Don't Mind".

In the United States, Playtyme Is Over peaked at number 88 on the Billboard 200[2] and peaked at number 26 on Billboard's Top R&B/Hip-Hop Albums.[3]

We Got It

Main article: We Got It (album)

In 1995, Immature released their third album, We Got It. The album featured singles "We Got It", "Lover's Groove" and "Please Don't Go".

In the United States, We Got It peaked at number 76 on the Billboard 200[4] and peaked at number 14 on Billboard's Top R&B/Hip-Hop Albums.[5]

The Journey

In 1997, Immature released their fourth album, which was their last under the name Immature, The Journey. The album featured singles "I'm Not a Fool", "Give Up The Ghost" (featuring Bizzy Bone) and "Extra, Extra" (written by Keith Sweat).

In the United States, The Journey peaked at number 92 on the Billboard 200[6] and peaked at number 20 on Billboard's Top R&B/Hip-Hop Albums.[7]

Introducing IMx

Main article: Introducing IMx

In 1999, Immature changed their name to IMx and released their fifth album, Introducing IMx. The album featured singles "Stay the Night", "Keep It On the Low" and "In & Out of Love".

In the United States, Introducing IMx peaked at number 101 on the Billboard 200[8] and peaked at number 31 on Billboard's Top R&B/Hip-Hop Albums.[9]


Main article: IMx (album)

In 2001, IMx released their sixth album, IMx on August 21. The album featured singles "First Time", "Beautiful (You Are)", "Clap Your Hands Pt. 1" and "Ain't No Need" (which also appeared on the soundtrack for the film The Adventures of Pluto Nash).

In the United States, IMx peaked at number 126 on the Billboard 200[10] and peaked at number 26 on Billboard's Top R&B/Hip-Hop Albums.[11]

Other works

IMx released their Greatest Hits album on February 27, 2001. The album featured all of the popular singles that Immature/IMx had released in the past 9 years and included several remixes of the original versions and songs that they had made guest appearances on (such as R&B singer Monteco's song "Is It Me?").

The group's song "Keep it on the Low" is used as the theme song for the film House Party 4: Down to the Last Minute which they also are the stars of.

Immature collaborated with comedy actor Kel Mitchell in the hit song "Watch Me Do My Thing", which was featured on the soundtrack of the Nickelodeon sketch comedy, All That.

Band Members

Marques "Batman" Houston - lead vocals

Kelton "LDB" Kessee - background vocals, drummer

Jerome "Romeo" Jones - main rapper, background vocals

Don "Half Pint" Santos - background vocals, rapper


Main article: IMx discography


  1. "Hot R&B/Hip-Hop Songs: Tear It Up (On Our Worst Behavior)". Retrieved 2008-02-05.
  2. "The Billboard 200: Playtyme Is Over". Retrieved 2008-02-05.
  3. "Top R&B/Hip-Hop Albums: Playtyme Is Over". Retrieved 2008-02-05.
  4. "The Billboard 200: We Got It". Retrieved 2008-02-05.
  5. "Top R&B/Hip-Hop Albums: We Got It". Retrieved 2008-02-05.
  6. "The Billboard 200: The Journey". Archived from the original on September 5, 2014. Retrieved 2008-02-05.
  7. "Top R&B/Hip-Hop Albums: The Journey". Retrieved 2008-02-05.
  8. "The Billboard 200: Introducing IMx". Archived from the original on May 3, 2013. Retrieved 2008-02-05.
  9. "Top R&B/Hip-Hop Albums: Introducing IMx". Retrieved 2008-02-05.
  10. "The Billboard 200: IMx". Archived from the original on August 9, 2014. Retrieved 2008-02-05.
  11. "Top R&B/Hip-Hop Albums: IMx". Retrieved 2008-02-05.
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