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 (646 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

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

nurse doctors dead boyfriend rest in pieces bro

#lgbtq

#fish

#mermaid

#mermaid oc

#fish boi

#fish🐟

Atlas

@VoidTheCat.EXE

ghostie hates this guy for no reason omg

#mermaid

#fish🐟

#glup shitto

#punch him

Cordelia

@Pumpkin-Patch

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

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

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

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

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

She got no brain :^(L

#sona

#mermaid

#jellyfish

#spookfish

#phantom jellyfish

Alex

@mal_doch_mal

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

#pink

#blue

#mermaid

#axolotl

#oc

#ggloves

#mermaid

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

#mermaid

#project scixen

#wip

#mermaid

#fantasyoc

#mermaid

#aromantic

#mermaid

#mermaid

#fantasyoc

#mermaid

#fantasyoc

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

#mermaid

#marman

#mermaid

#merman

#mermaid

#fantasyoc

#mermaid

#fantasyoc

#mermaid

#fantasyoc

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

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

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

#pink

#purple

#green

#mermaid

#oc

#sea sheep

Nugget

@ChocoChan

A shy Swamp Siren and the Sister of Gorg, a very adventerous Swamp Siren. Just like her brother, she suffers from Mold growing in her Gills. However, her case is a bit worse, since it also grows in her wounds.Therefore, she decided to live ...

#mermaid

#siren

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

Name: Anelia SolraneAlias: Anya, Nelia, Nela, etc.Current Age:18-20Gender: FemalePlace of Origin: AnekairaSpecies:Human, MermaidPersonality: Sweet, honest, and light-hearted. Depending on the situation, she can either be very sensitive or s...

#black

#princess

#mermaid

##mermaid

#golden eyes

#black oc

Féchín

@0kurai

He also has a human form to travel on land, though his legs are weak and he can't walk well.

#male

#mermaid

#merman

#irish

#oc

#idk

Merchadh

@mexwithdreads

Bright blue skin catches the sunlight like polished glass, thick blonde curls float around her head, and her tail- unmistakably shark.It started on a warm afternoon, near the surface, a ways off the islands. Merchadh had drifted up to bask ...

#mermaid

#mer

A self insert I made of myself as a mermaid. Found a seashell at the beach and decided to turn it into an illustration

#humanoid

#fantasy

#mermaid

#ocean

#art

#oc

Mermaid Original Characters (OCs)

Explore Character Designs

Mermaid OCs (646 characters)