|The following information is from the Adventure Time comic book series.|
It may not be part of the same canon or continuity as the animated series.
|Introduced in||Issue 4|
|Latest appearance||Issue 15|
She has long hair that seems to resemble seaweed. The base of her gown looks like a mermaids tail, and has bare feet poking out from the bottom of her dress. She also wears a sea urchin like tiara with pearls to show her royal status. She has very pale blue skin and knife-like teeth, like Lamprey Princess's.
In issue #15 of the Adventure Time comic, she is shown to be a mermaid underneath her dress, depicted when she has armored up with the other princesses to battle Magic Man.
The two princesses seem to know each other and have a friendly relationship. It was upon Princess Bubblegum's request that she used her powers to make a lake for Desert Princess.
The two princesses seem to know each other and have a friendly relationship. Lamprey Princess was next to her when she was creating the lake for Desert Princess, with the help of Jake.
She also seems to be on good terms with Choose Goose since the two where seen happily playing in Desert Princess's new lake.