Rimalis (リマリス) is a character that has yet to formally debut in Deep-Sea Prisoner's creations. She appears to be a squirrel.
Rimalis has short, curly green hair that has a lighter green plus mark in the center, with long, lighter green strands hanging by the sides of her face. She has golden eyes and white, raceless skin. She wears a yellow-green button up turtleneck shirt with a green puff skirt that goes a little past her knees, and green stockings/tights below the skirt. Over her clothes, she wears a very pale green poncho with a dark olive button holding it together. She also wears olive green boots with black laces.
Not much is known about her.
Not much is known about her past.
Up to this day, Rimalis has only appeared in some of Deep-Sea Prisoner's illustrations and in a calendar.
Leona is possibly one of Rimalis' friends. They were seen together in Deep-sea Prisoner´s June calendar.
Cookies is possibly one of Rimalis' friends. They were seen together in Deep-Sea Prisoner´s June calendar.
Keika is possibly one of Rimalis' friends. They were seen together in Deep-Sea Prisoner´s June calendar.
It´s unknown what kind of relationship they have. He was seen in Deep-Sea Prisoner´s June calendar watching her.
- "Rimalis," when read as "Rimarisu," means "clever magic squirrel" in Japanese. 
- Her name used to be "Lemaleth," though it has since been changed to its current rendition. What prompted this change is unknown.