Michael Aguilar, better known by his stage name Double-O (or Double O), is an American producer, DJ and one half of the acclaimed hip-hop group Kidz in the Hall.

They began recording songs, making demos, and performing at local shows which eventually led to Double-O and Naledge forming Kidz in the Hall.

[2] In early 2007, Kidz in the Hall created a song entitled "Work To Do" in support of democratic presidential nominee Barack Obama, who has ties to Naledge's hometown of Chicago.

[3] In November 2007, Kidz in the Hall were officially signed to Duck Down Records, an independent label started by founding members of the Boot Camp Clik.

The duo's second album, The In Crowd, was released in May 2008, with the lead single "Drivin' Down the Block," which samples Masta Ace's song "Born to Roll" for the hook and contains an interpolation of Outkast's "Elevators (Me & You)" on the bridge.