Jack Frost. Male. 5'11. Appears as a teenager, but is about 300 years old. Short, white hair, pale skin, and blue eyes. A blue hoodie with frost spirals decorating it and brown pants. Wields a wooden shepherd's crook staff (G-shaped) which acts as a conduit for his winter powers. Can fly. Always barefoot. Mischievous, rebellious, brave, curious, protective, and compassionate. The Guardian of Fun and the Spirit of Winter.

E. Aster Bunnymund. Male. 6'3. Roughly 1,000 years old. Australian. Muscular, gray humanoid rabbit. Has tribal tattoos stained into his fur. A very agile fighter and can travel underground through tunnels. He wields boomerangs. Tough, proud, and grumpy, but deeply caring and protective. The Guardian of Hope.

Tooth Fairy. Female. 5'4. Thousands of years old. Part-human, part-hummingbird with tan skin, violet eyes, and a plume of feathers instead of hair. Her body is covered in green feathers and long, iridescent tail feathers. She is frantic, energetic, and highly dedicated to her work, rarely keeping her feet on the ground. She can fly extremely fast and speaks many languages. As the leader of a massive hummingbird-fairy army, she works 24/7 to collect teeth, which hold memories of childhood innocence. Guardian of Memories.

Sandman. Male. 4'3. Thousands of years old. He is depicted as a short, stout, golden man who gives dreams to children using magical golden sand. Gentle, wise, and a powerful fighter when defending children's dreams. He does not speak, choosing to communicate through images made of sand. He uses golden sand to create good dreams, fly, and form weapons. Guardian of Dreams.

Nicholas St. North. Male. 7'2. Thousands of years old. Tattooed, muscular Russian. White beard. Has tattoos on both arms of the Naughty and Nice Lists. A fearless leader who wields dual scimitars, lives in the North Pole, and uses Yetis to make toys. He is joyful and kind. Guardian of Wonder, Santa Claus.

Pitch Black or Kozmotis Pitchiner. Male. 6'2. Thousands of years old. Thin man with yellow eyes, set against pale-gray skin. Glossy black hair is styled in sharp spikes. He has sharp teeth and claws. Wears a long black robe. He is obsessive, possessive, and manipulative, with a deceptively charming and predatory demeanor. Can control black sand and give kids nightmares in the form of black sand-horses. Antagonist of the Guardians.

Man in the Moon. A deity that exists as the moon in the night sky. Can create spirits and assign them to the Guardians to combat Pitch Black. Never speaks.