In 1992, Houston became a founding member of the R&B group Immature (also known as IMx). The members of the group includes Jerome "Romeo" Jones and Don "Half Pint" Santos (later replaced by Kelton "LDB" Kessee), along with Chris Stokes, who is acting for his job as their manager. At this period, Houston went by the nickname "Batman". In 1999, the group underwent a name change, however, it continued on to release two albums under the name IMx such as Introducing IMx (1999) and IMx (2001). The group also branched out into acting and appeared such shows as A Different World, Sister, Sister (TV series). Later they recorded some soundtracks to the film House Party 4: Down to the Last Minute, before disbanding in 2002.