The Mermaid (The Lighthouse)

The Mermaid is a major antagonist in the  2019 psychological-horror fantasy film ''The Lighthouse. ''She frequently appears throughout the film after Ephraim Winslow discovers and keeps a scrimshaw of her.

She is portrayed by Valeriia Karamän.

Appearance
Typical of a mermaid/siren, she is black-haired, young and beautiful. She appears topless and has a great complexion as well as a slender figure with the exception of her fin. She also appears to have a very large vagina in between her tailfin and her belly.

Role in the film
The Mermaid started making her presence known when Ephraim Winslow finds and keeps a scrimshaw of her. He soon begins to have visions and dreams of her in a distant. However, when Winslow masturbates to the scrimshaw he fantasizes whilst having a detailed but brief vision of himself having sex with the mermaid before abruptly stopping. Later on, Winslow discovers her seemingly unconscious, washed up on the shore. He proceeds to grope her breasts and carass her body before she abruptly awakes and lets out a harsh cry whilst grinning menacingly. A terrified Winslow flees the scene.

She would continue to haunt Winslow until his final confrontation and beatdown with Thomas Wake. It is unclear whether she continues to haunt Winslow during his endless torture of bird-pecking at the end of the film.

Theory 1
The mermaid is merely a figment of Winslow's sexual fantasy and imagination which he derived from the scrimshaw he took. Only appearing when Winslow is sexually stimulated.

Theory 2
The Mermaid is a siren who was summoned when Winslow found and took the scrimshaw of her. She invades his dreams and telepathically shows him visions of herself and him in erotic situations and only appears physically at one time. Due to his perversion of her, she toys around with his sexual frustrations by psychologically harassing him.

Trivia

 * The Mermaid has entirely zero dialogue in the film.
 * She is loosely based off the Sirens from greek mythology.