Within the pack,
Polaris and Sirius, the founders, are considered to be incarnations of two of the most important stars in the sky. When
Polaris, The North Star, decided to descend to Earth, she brought with her the brightest star in her sky, Sirius. Since he is known as The Dog Star for being the brightest in the Canis Majoris constellation, the two decided to take the form of the domesticated dog's wild ancestor, the wolf.