its called cerberus, as in the mythical watchdog it comes out of cv vents around the island it can also take other forms like with eko's brother yemi
In Greek mythology, Cerberus or Kerberos was the hound of Hades, a monstrous three-headed dog with a snake for a tail and snakes down his back like a mane, whose analogs in other cultures are hellhounds. Other hell hounds included Orthus, his two-headed brother. Cerberus guarded the gate to Hades and ensured that spirits of the dead could enter, but none could exit (additionally, no living person was to come into Hades). Among his siblings are Chimera and the Hydra. He is the offspring of Echidna and Typhon. In Dante's Inferno, he is described as having a human head. This symbolizes the possibility of Cerberus being more human than animal.
Never come between a black man and his hustle in a room full of white people