DeShaun Dupree Holton (October 2, 1973 – April 11, 2006), better known by his stage name, Proof, was an American rapper from Detroit, Michigan. During his career, he was a member of the groups Goon Squad, 5 Elementz, Promatic, and most notably, D12. He was a close childhood friend of rapper Eminem who lived on the same block. In 2006, Proof was shot and killed during an altercation at the CCC nightclub in Detroit.

Holton was born to Pepper Holton, a single mother. His father, Mckinley Jackson, was a music producer who left to pursue his career prior to Holton's birth. Holton grew up in Warren, Michigan where he met childhood friend and future musical collaborator Marshall Mathers (Eminem).

Obie Trice III (born November 14, 1977) is an American rapper and songwriter. He began rapping at the age of 11, and is most known for his time spent signed to Shady Records. Obie Trice has formed his own record label, Black Market Entertainment.

Obie Trice III was born and raised in Detroit, Michigan by his mother, along with three brothers. He is of African American descent. Trice was given a karaoke machine by his mother when he was eleven and he used it to rhyme over instrumentals from artists such as N.W.A. By the age of fourteen, he was attending rap battle spots around Detroit, notably including the Hip Hop Shop, on which Trice commented,

Obie Trice went by the name of Obie 1 during this time, but when he first met Proof, who was about to introduce him at the Hip Hop Shop, Proof asked him, "What's your name? Your real name, no gimmicks." He was then introduced as Obie Trice, and has kept his real name as his rap name. Trice was introduced to Eminem through D12 member Bizarre. Eminem was impressed when Trice freestyled for him in a car park through a window, whilst Eminem was in a car. Later, Trice received a call from his manager informing him that he would be having dinner with Eminem, and later that night they went to a Kid Rock party.

Tauheed Epps (born September 12, 1976), better known by his stage name 2 Chainz, formerly known as Tity Boi, is an American rapper from College Park, Georgia. He was previously signed to Ludacris' record label Disturbing tha Peace with Dolla Boy as Playaz Circle.

2 Chainz was born Tauheed Epps on September 12, 1976. He was originally known under the name "Tity Boi", a name given to him by his mother, as Epps was an only child and thus the only one his mother would breastfeed. Further research and investigation showed that he had one brother named Dimatri who was 9 months younger than him and adopted by a couple in Birmingham, Alabama. His brother has one daughter named Sakia and one son named Dimatri Jr. nicknamed, DJ. His niece, Sakia is 13 (2011) and his nephew, DJ is 2 (2011). His niece is very proud of her uncle and talks to him alot on the phone. She also loves to visit him on her breaks.

His graduating record in college was a 4.0

Epps formed the hip hop duo Playaz Circle (the word "Playaz" being an acronym of Preparing Legal Assets for Years from A to Z) in College Park, Georgia in 1997 with his high school friend Earl Conyers, who became known under his recording name Dolla Boy. Following the release on an independent album titled United We Stand, United We Fall, the duo were introduced to fellow rapper Ludacris when he moved into their College Park apartment complex whilst he was acting as a disc jockey: after he took an interest in Playaz Circle, he began to record several songs with the group, playing some of them on his radio station.