|Full name:||Marijn van Wieren|
|First Appearance:||Not yet|
|Abilities:||Cursing people, flooding towns and cities|
Currently, not much is known about her role in Ghost from the Sea.
Marijn is shown to have green-brownish, bob-cut hair. She also has fins on the places where her ears are supposed to be. Her eyes are of a light yellow colour, and her pupils are slits. Her cuspids are also rather long and stick out of her mouth.
When she is not in mermaid form, she wears a white shirt, with a knee-length black coat on top of it. Marijn also wears brown trousers with long, black boots.
Marijn's personality so far is unknown.