Jared K. Bridgeman, better known by his stage name Akrobatik, is an American rapper from the Dorchester neighborhood of Boston, Massachusetts. He is also a part of the hip hop collective named The Perceptionists with Mr. Lif and DJ Fakts One, which released Black Dialogue in 2005.

Jeffrey Michael Haynes, better known by his stage name Mr. Lif, is an American rapper from Boston, Massachusetts. While being praised because of his political lyrics, he has released two studio albums on Definitive Jux and one on Bloodbot Tactical Enterprises. Mr. Lif is also a member of the hip hop group The Perceptionists with long-time friends and collaborators Akrobatik and DJ Fakts One.