Tanngrisnir is one of the two magical goats that pull the chariot of the Norse god Thor. In Norse mythology, these goats are known for their ability to be slaughtered and resurrected each day, providing sustenance for Thor and his companions. Their names, Tanngrisnir and Tanngnjóstr, reflect their fierce nature and strength. These goats are not only a source of food but also symbolize the connection between the divine and the mortal realms. When Thor travels, he uses their power to traverse the skies, showcasing the importance of Tanngrisnir in the tales of Norse gods and their adventures.