Kerberos(Cerberus) was described as a three-headed dog with a serpent's tail, a mane of snakes, and a lion's claws. He was posted to prevent ghosts of the dead from leaving the underworld.

According to CSIRO scientist Dr Wenju Cai three-headed dog savaging Australia's climate. we don't know that It's just rumor or true matter.

The Photos of Three Headed Dog