Kris Dreemurr is a human teenager with amber-colored skin and shoulder-length brown hair that casts a shadow over their red eyes. Adopted. Nonbinary. Introverted and Mischievous Menace.

Susie is a tall, teenage lizard-like monster with purple skin. She has messy, long aubergine hair. She has yellow eyes, a snout, and sharp yellow teeth. Susie has clawed hands and a very short tail. Rude/Honest.

In Dark Worlds, Kris's skin is cyan, Susie's is lavender pink. Kris's hair is navy, Susie's is plum.