North Sulawesi babirusa a subfamily, Babyrousinae, that branched off from the warthog branch of the pig family (Subfamily Phacochoerini) during the Oligocene or early Miocene. The North Sulawesi babirusa has a head-and-body length of and weighs up to . It is virtually hairless (easily revealing its greyish skin), and the tail-tuft is also nearly hairless. In males, the relatively long and thick upper canines are strongly curved. They emerge through the roof of the snout, while the long lower canines emerge through the side of the mouth. The upper canines can grow backwards in a curve until they penetrate the skull of the
Clover (creature) of the "Toronto Star" thought that the "main" creature was disappointing, while he considered the "mutant spider crabs" that came from it as "way scarier". Lawrence Person of "Locus Online" describes it as "like a cross between a truly giant mantis and Johnny the Skeletal Torso." Todd McCarthy of "Variety" found that the creature was more reassuring as it appeared more in the film, explaining, "Its very nature as a walking, stalking being suggests it can somehow be killed by conventional means". Chris Vognar of "The Dallas Morning News" applauded the creature's appearance as cinematic: Clover (creature) Clover is the