Toothed whale melon consists of fat, and the skull of any such creature containing a melon will have a large depression. The melon size varies between species, the bigger it is, the more dependent they are on it. A beaked whale, for example, has a small bulge sitting on top of its skull, whereas a sperm whale's head is filled mainly with the melon. Bottlenose dolphins have been found to have signature whistles unique to a specific individual. These whistles are used for dolphins to communicate with one another by identifying an individual. It can be seen as the dolphin equivalent of
The Brain from Planet Arous brain-shaped creature named Gor (Dale Tate) arrives on Earth and possesses young scientist Steve March (Agar). Gor then proceeds to use his vast, destructive powers to bend the planet to his will, threatening to wipe out the capital city of any nation that dares to defy him. Meanwhile, Vol (Tate), another brain creature from Arous, arrives and eventually inhabits the body of March's fiancee's dog. Vol then explains that Gor is a wanted criminal on their world. His only physical weakness is the fissure of Rolando and Gor is only vulnerable there during the brief period when he needs to