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 (275 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

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

Amaya

@SeiKittea

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

Mizo

@Goobermush

She got no brain :^(L

#sona

#mermaid

#jellyfish

#Spookfish

#Phantom Jellyfish

Gabby Flo -Goldfish

@Lyssabug

One of my Mer-OCs-Gabby is energetic, friendly, sarcastic, sparkly, and very much an emotional rollercoaster with ADHD strapped to the cart.Character Traits: -Finds starting conversations tricky-Can handle the cold like a boss-Loves her fri...

#mermaid

#emotional

Personality: Suki is an incredibly curious individual. He’s very curious about humans, human culture, and so so much more. He's a very sweet and gentle person, but he's also a little gullible. He is incredibly naive due to having been shelt...

#mermaid

##creatures of the deep

Atlas

@RaccoPunk

Atlas is a seapup from a far away island who was found on the beaches of Hillfar, and taken in by Cheerio. He can speak english pretty well for someone who never heard it in the past 13 years of his life, and is attatched easily to toys, pe...

#spotted

FAN

Z-320

@Ellyssian

Z-320 just wants out. Though, to be fair, they also desperately want the blood of everyone who hurt them.Z-320, known colloquially to the lab workers as The Mer or The Eyefested Mer, was a human. Now it has become, through repeated experime...

#mermaid

#body horror

One of my Mer-OCs-Liberty is is loud, unpredictable and over the top; so she's practically a firework. She can be a little pushy and irritating to people, but people still have her around anyways.Character Traits: -Fourth of July vibes inca...

#fish

#mermaid

#fourth of july

#4th

#flag

#firework

Hyoid

@krimdz

AITA for running away, accidentally making it look like a kidnapping btw, after I learned that my father agreed to marry me off to a national disaster of a guy? Honest replies only #political tension #idc idk idgafA goober made with intent ...

#dungeons & dragons (d&d)

#mermaid

#silly!

##runaway

##wip

#oc

Mira

@Wennis

A mute, clumsy mermaid learning about the world around her!

#mermaid

Pathogen is an aquatic mermaid-esc being. Her face is skull like with an underbite, the bottom jaw having enlarged canines. She has large black almond-shaped eyes, and a mess of hair behind her head. Her front half is humanoid in nature wit...

#mermaid

#fresh water

Sentient aquatic beings that live in seas, oceans, rivers, and lakes.They come in any colour under the sun (although some are more common than others) and are mostly omnivorous!Besides a very select few in their mythology, they do not posse...

#mermaid

#species

One of my Mer-OCs-Mako is smart, soft, hilarious when he doesn't try to be, dorky, overall such a nerd about new things, and definitely biased towards sharks.Character Traits: -Is slightly more introverted, but is chill enough to talk to-Ca...

#mermaid

#shark

#nerd

#merman

#merboy

#ariel

#mermaid

#drawing

An unassuming girl with blue skin and a passion for unicorns. Monster-hunting mermaid in disguise.

#mermaid

A merman with lacking knowledge of how human society is supposed to work. He acts like an alien and he's an odd little thing. He fell in love with an immortal land dweller and left the ocean to follow him. He's nonchalant about everything a...

#mermaid

Chill surfer girl. A bit eccentric, she loves everything about the ocean, from the pretty coral to the deep sea monsters. Likes to drop random facts about ocean life and share freaky videos of dangerous sea creatures. Believes in the supern...

#humanoid

#monster

#mermaid

#orange

#fish girl

Ladro Lightfinger- C. Tang

@Lyssabug

One of my Mer-OCs-Ladro is full of energy, usually a ray of sunshine, generally adorable and maybe a little dense, but also devious and would pull pranks/steal something randomly coolCharacter Traits: -Is sneaky-Good at putting on an innoce...

#mermaid

#merboy

Third member of the Court of Faeries that governs Faerie World and a board member for the Institution of Magick.Nectain is the ambassador for the merfolk and approaches his role with utmost seriousness, recognising the isolation his people ...

#mermaid

#merman

A mermaid who loves playing pranks and collecting things from humans.

#anime

#mermaid

#Anime OC

#anime art

#original character

#project scixen

#mermaid

#oc

Manola is a vibrant and chaotic mermaid with a knack for trouble and a flair for drama. While she thrives on stirring the pot—sometimes literally, given her talent for brewing potions and casting spells—Manola struggles to confront her inse...

#mermaid

Cashmere is the son of two sailors who specialize in hunting sirens and mermaids. As much as they wish he shared their love for the sea, Cashmere would rather admire it from a distance.ɴᴏᴡ ᴘʟᴀʏɪɴɢShip in a Bottle- Finılıılıılıılıılıılıᴠᴏʟᴜᴍ...

#mermaid

🌊++-~ Keep your grills clean! ~-++🌊 Dressed in an oversized hoodie, a Pondmaid stumbled into the emergency center. He looked around for the secretary and panted a bit. After some time, they arrived, asking what he needs.Blushing, he cough...

#mermaid

Name: LilaAge: 13Gender: FemaleSpecies: Mermaid/HumanRole: ProtagonistSkin color: Bluish-greyHair color: Dark blond with orange tipsEye color: BrownHorns: Orange and slightly curvedGills/Fins: small, ark blue, tri-pointedTail: Long and slee...

#mermaid

#tween

One of my Mer-OCs-Greyson is mischievous, a little annoying or prying at times, adamant, stubborn, and overall punk, but can be a sweet, considerate, and intuitive kid when he wants to be.Character Traits: -Is introverted in a way; he's not...

#fish

#mermaid

#kid

#bucket

#bow ties

#mermaid

#sea oc

#mermaid

#myth mermaid

#womna

Mare

@poopystinky

Mare was born a sweet and loving mermaid fated to peacefully roam the oceans with her mother. U ntil they were caught in the "fish market" and trafficked away. They were sold to be a centerpiece, a decoration for the rich and powerful, made...

#mermaid

#siren

##oc

##original character

##mermaid

##siren

Calypso

@sarahackerm

Calypso has been living in the ocean for a long time, dragging men under the water. Earlier, when she was still very small, she firmly decided that she would not do bad things like other mermaids did, because people did not do anything bad ...

#mermaid

#sims 4

#sims oc

#oc

Sunny

@ShinyHunterKai

A bubbly and curious breakfast mermaid who loves to have fun! She has a fish friend names Hash who travels with her wherever she goes.

#mermaid

#breakfast

#mermaid

#mermaids

Nanaue

@MegumiShiny

Nanaue is the ruler of Preciosa. As preciosa is the biggest region of the continent, He has assigned multiple royal families across the sea to help him so it can be much easier to keep everything in order. He often goes to the surface to vi...

#mermaid

#coral

Khalon Vandarel is the firstborn son to Castillo and Calypsa Vandarel, the monarchs of Atlanica. He has a younger brother named Caspian. Together, the two were inseperable and had a strong brotherly bond.As next in line, Khalon was heir to ...

#mermaid

#ocean

##mermaidoc

#eviloc

##misunderstood

##ocean

Bonez

@sodapopso

[THE FOLLOWING PROFILE MAY CONTAIN SPOILERS FOR BOTH SUBNAUTICA GAMES! PLEASE PLAY THE GAMES BEFORE READING! SOME THINGS MAY NOT MAKE SENSE AS I AM ASSUMING THE READER HAS A MEDIOCRE TO IN-DEPTH UNDERSTANDING OF THE STORY OF BOTH GAMES!] St...

#mermaid

#merfolk

#merman

#leviathan

#subnautica oc

#subnautica

Pandora

@pandorapearl

Pandora is a large anglerfish-like creature, a part of a strange evolution that happened to marine species that caused carcinization-- except instead of crabs, some fish are now humanoid. Her "hair" is actually a collection of tendrils that...

#mermaid

Kishi is another of my older ocs <3She's an outgoing, carefree, sometimes naive mermaid who simply put is a bundle of sunshine. She likes to see the good in everyone and is always up for having fun. She is very affectionate and talks a lot,...

#mermaid

##mermaid

Taizer

@Shroomz

Taizer is a fairly muscular tiger shark boy with a koi fish pattern, he has the classic sharp teeth and long fish like ears, with his tail being extra long for movement, he's like a shark mermaid, he has quite the appetite but he isn't as s...

#gay

#mermaid

#shark

#ocean

#shark oc

#Koi

Cotton

@ChocoChan

🪻;;:: Coins for Pearls ::;;🪻 In her lagoon, Cotton was resting on the shore. She waited for someone, who offered her some pearls! And she was excited to see them.As they entered the stage, she smiled gently. "Welcome... Thank you for comi...

#mermaid

Mermaid Original Characters (OCs)

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Mermaid OCs (275 characters)