"Who the Fuck Is That?" or the edited version known as "Who the Heck Is That?" or the BET version known as "Who the Heck..." is the first single off slain rapper Dolla's unreleased debut album A Dolla and a Dream, as well as his mixtape Another Day Another Dolla. The song features T-Pain and Tay Dizm. The official remix of the song features labelmates T-Pain, Akon and Klepto. It is produced by DJ Montay and Akon.