OEMs are not actually the original manufacturer of the equipment, but are actually a company who has a relationship with the original manufacture to resell that manufacturer's product under its own name and branding.
Definition of warthog. : a wild African hog (Phacochoerus aethiopicus) that has large protruding tusks and in the male two pairs of rough warty excrescences on the face and that is sometimes placed in two separate species (P. aethiopicus and P. africanus)
Wargs, also referred to as skinchangers, are people who are able to enter the minds of animals and control their actions. Being a warg makes way for changes in the personality of the human and the animal involved. In addition, a warg bond is easier if the human already knows and is close with the animal, like Bran Stark and Summer. Usually wargs begin by entering the mind of the animal in their dreams.