ABN or Assholes by Nature is an American hip hop duo, composed of Houston, Texas-based rappersTrae and Z-Ro. They have so far released two studio albums, Assholes by Nature (2003) and It Is What It Is (2008).
ABN's first release was 2003's the independent G-Maab records was produced by P.K. Johnson. Assholes by Nature was a double CD.
In 2008 the duo released It Is What It Is which turned out to be the biggest commercial success for both artists. The album was released on Rap-a-Lot Records and produced by Brandon Crear. The album reached number 62 on the Billboard 200, 10 on the Top R&B/Hip-Hop Albums, and 7 on the Top Rap Albums charts. Previously the artists had 13 appearances on the Top R&B/Hip-Hop Albums chart between them; this was the first in the top 10.