Mermaid Original Characters (OCs)

Dive into the sea of wonder with our mermaid characters! From mermaid princesses to enchanting sirenmermaids, these characters will capture your heart. You'll find a mix of mermaid queens and original characters inspired by the magical #mermaidcore aesthetic. Whether you're a fan of classic tales or new spins on the lore, there's a character here for every mermaid fan. Share your own mermaid character and join in on the fun!

Mermaid OCs (675 characters)

Eloïs

@yumoo

Eloïs, or Elois is a mermaid-like type of creature, who can freely shapeshift to a more human-like form, or to a mermaid form.She lost her right arm!!Eloïs is a very emotional person, and people often comment on how easy it is to read her e...

#mermaid

The crown prince of the Kingdom of the Coast. Known to mostly keep to himself, he had mixed reputations among his people.On the days he managed to have some free time, Akira rises to the surface to stargaze in his makeshift observatory in a...

#fantasy

#mermaid

#mermaid oc

Edith

@SeiKittea

A mermaid that loves anything shiny, glittery, or gold.She hoards it all like a dragon in her underwater cave. Most of all, she greatly prefers stealing from a certain pirate.

#anime

#mermaid

#anime oc

#anime art

#original character

#project scixen

Brix

@mal_doch_mal

Design based on the word PEARL Female (she/her) Pansexual Birthday: May 19

#mermaid

#oc

Seth

@VoidTheCat.EXE

nurse doctors dead boyfriend rest in pieces bro

#lgbtq

#fish

#mermaid

#mermaid oc

#fish boi

#fish🐟

Lion

@CerealDucky

A mermaid with the venom of a lioinfish- and named after it- she's used as a weapon by the mermaid society. Said society is named through animalistic noises, but dubbed by human sailors: Färash. Within, their own countries and nations skatt...

#mermaid

#oc

Cordelia is an adventurous girl who swims too close to the sun. She is extremely clever and loves learning about obscure places no one dares to research.

#mermaid

#arowana

A creature from the depths, resembling an angel.

#angel

#mermaid

#merfolk

#light

#anglerfish

#g/t

Atlas

@VoidTheCat.EXE

ghostie hates this guy for no reason omg

#mermaid

#fish🐟

#glup shitto

#punch him

Amber Marisélle

@vivixscera

Amber Mariselle looks like a mer living the perfect, ideal life, with the warm coral reefs, a thriving pod, sunlight, and a smile that never falters. She moves through the reef like she belongs to it. But if you look closer, she is harborin...

#shapeshifter

#mermaid

#shapeshifer

#wip

#idk

FAN

Serena Tide

@missy_popcorn

Serena is a teenager girl with long wavy dark brown hair and teal eyes. She often wears lipstick and a yellow eyeshadow. Serena is half mermaid, for that reason, she can transform into a mermaid when she's surrounded by water. She heights 1...

#fan character

#mermaid

#ever after high

#ever after high oc

#royal ever after high

#the little mermaid

𓇼Mariella𓇼

@Crowned_Bishop

#witch

#mermaid

#oc

#oc art

#ocart

#art

Nimue

@Tunafishfish

Nimue lives and protects an old forest together with her sister. :D

#mermaid

##mermaid

A mermaid wary of the world above, prefers to spend her time in the deep ocean, collecting shells.Has to tell Nixie constantly to stay away from the surface and Humans.

#anime

#mermaid

#anime oc

#anime art

#original character

#project scixen

Ler

@lovelyrosefelix

Ler is very curious and excitable by nature. He has always had a fascination with the human world, and built a lifelong collection of lost human objects. He yearns to see them up close and even experience their world. Ler has a bit of a str...

#transman

Design based on the word CORAL Non-binary (he/him) Asexual Birthday: May 13

#pink

#blue

#mermaid

#axolotl

#oc

#ggloves

Domia

@K4M1_

Appearance:hair: dirty minty green eye: mint - yellow - wears a fishing net like a flowing shawl - siren fins for ears - breaths with both gills and lungs like amphibians - skeletal tailAbility:- he may or may not sing sailors to their deat...

#mermaid

#guy

#mermaid

#mermaid

#fantasyoc

#mermaid

#mermaid

#aromantic

#mermaid

#fantasyoc

#mermaid

#marman

#mermaid

#fantasyoc

#mermaid

#fantasyoc

#mermaid

#fantasyoc

#mermaid

#fantasyoc

#mermaid

#merman

Jupiter

@mal_doch_mal

Design based on the word RAINBOW Male (they/he) Asexual Birthday: May 25

#blue

#fish

#mermaid

#scales

#oc

#fanart

Fiver

@mal_doch_mal

Design based on the word UNDERWATER Non-binary (it/its) Asexual Birthday: May 7

#mermaid

#oc

A Mermaid brave enough to live on the surface world almost permanently.

#mermaid

#project scixen

#wip

Nettie

@Bionic_Rat

Meet Nettie! The cutest, most charming like menace in all the Pacific ocean. She's cool, sassy, a darling companion and a traveler at heart.Born into a tight-knit pod, she quickly became fascinated with the ways of the man. And after one to...

#mermaid

#siren

#merfolk

#mer

#pirate adjacent (?

#diva

Dorian

@mal_doch_mal

Design based on the word MERMAID Male (he/him) Heterosexual Birthday: May 1

#pink

#purple

#green

#mermaid

#oc

#sea sheep

#mermaid

A sweet and gentle Princess of the Mermaid Folk, that lives near the Islands of Dreams. She loves to offer her services as a Jeweler and judges the worth of Rare Items. Also, she is able to create Jewelry out of almost every item! Despite ...

#mermaid

A sweet and stylish Mermaid/Siren, who often streams from the most unique places in the Monster World! Like Caves, Dracula's Mansion, or even a Furniture Store!She is known for being playful, curious and optimistic. But she can't take no fo...

#mermaid

#fins

Gabby (Gabriella) Flo -Goldfish

@Lyssabug

Character Traits: ✨ Energetic, Optimistic, Prolly ADHD ngl✨ Loves anything sparkly/girly/cute in general, Perhaps too attatched to her friends also she's kinda an idiot but I love her✨ Has been striving to grow into the kind of 'good person...

#mermaid

#emotional

Native from Thalassa, Queen Titania became the leader of the Unseelie kingdom at a young age, and eventually Ilvereth after the Sidhe war and her political marriage with King Oberon of the Seelie. She's the mother of the royal twins Abaddon...

#mermaid

#siren

Marina is a rare variation of mermaids and is currently being hunted by pirates who want to make a fortune out of her rarity.

#female

#mermaid

#art