Rachel, along with her husband, Lorenzo Waterman, is a sadistic child murderer. Just like her husband, she greatly enjoys the "hunts" the two of them "host" in their home. Though both of the Watermans are murderers, Rachel is more strategic and plotting with how she executes her acts than compared to Lorenzo, who is more comparable to a rabid animal in his eagerness while Rachel is willing to be more planning and stealthy with how she goes about her crimes. Rachel is very meticulous killer, taking breaks to coordinate herself before killing.Head and FaceFace: Slender, elongated light-gray snout.Eyes: Glowing yellow with horizontal, sheep-like slit pupils and dark lashes.Horns: Segmented golden-brown horns curving around her ears.Ears: Long, droopy gray ears extending horizontally.Fleece and StyleFleece: Massive, fluffy dark-gray curls acting as long hair.Hat: Large, wide-brimmed pointed hat in a dusty purple hue.Body and AttireNeck: Striking, long dark-brown neck with a ribbed, armored texture.Outfit: Light pink apron or tank top reading "KISS THE COOK" with a heart.Hands: Dark, textured hoof-like hands holding an open gold book

During the events of The Mysterious House, Lorenzo has an orange coat of fur, with the undersides of his ears and his belly being a lighter shade of orange. He has Frankenstein-like stitching across his body. He sports a yellow mask that depicts a twisted smile and yellow snout. His arms, neck, and legs are dark green, and he wears a purple bowtie around his neck. When his mask is removed, it's revealed that his true face resembles a rotting corpse, with charred skin and bloody gums with a sharp smile.