Mercury is a Howlite wolf with Olive Eyes, Bistre Skin, Fallow Nose, and Root Claws. His markings consist of Honey Bottoms and White Underbelly. He is the son of Pack Leader Deuce and Mournful Blizzard and was born on February 2, 2021, along with his littermates, Deimos and Phobos. He has a Lazy personality.
On November 3, 2021, he became an adult member of the Pack. He was assigned the role of Hunter that same day.