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 (173 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

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

Liberty- C. Tetra

@Lyssabug

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

Pathogen

@CoreInk02

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

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

Merfolk (Species)

@hereliesagay

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

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

AMOS IS FROM A FICTIONAL WORLD I HAVE CREATED, HE IS A GOD IN THIS WORLD CALLED CYNE COUNTRIES; Kulvira, Iriama, DeneMany people of cyne worship Amos in return for their crops to prosper or to help with their life.Although it isn't required...

#masc

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

Tyene is a Mantis Shrimp Mermaid, that mainly work's as a type of protective guard for other Mermaid's, but also works as a professiona fighter.

#humanoid

#mermaid

#mantis shrimp

Cashmere Cattaneo

@Ghost_Axanthic

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

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

#mermaid

#myth mermaid

#womna

Greyson F.-Goldfish

@Lyssabug

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

Kelpie

@ChocoChan

🌊++-~ 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

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...

#mermaid

#fish girl

#mermaid

#mermaids

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

Yunoire

@aphrosanimation

Yunoire is a Kir who has stowed away on Captain Charlotte’s expedition, determined to find her runaway friend and uncover secrets about the new world she lives in. She is brave and adventurous, always seeking out new experiences and challen...

#mermaid

#nyxie

Octopus is very shy and quiet, incapable of human speech. She usually clings to Submarine or Sunshine, but she is also curious by nature and will sometimes stray off on her own. She likes looking for trinkets and shiny things to collect, an...

#mermaid

#songfolk

Her body is made of seafoam and water with bones of gold.

#mermaid

#sea

WORK IN PROGRESS

#mermaid

#siren

##oc

##original character

##mermaid

##siren

Topaz Tracey

@RabbitJaguar

Topaz is a member of Master Luck's Traveling Circus, and acts as the "mom" of the troupe, responsible for much of the circus's fund management, as well as directing how to set up their stalls and booths when they reach a new site. She can't...

#mermaid

#sea lion

Apollo

@aphrosanimation

Apollo is a young Kir man and the lead cartographer of the expedition. He is charismatic and flirtatious, but can also be quite cruel and manipulative. He has a reputation for using his charm and good looks to get what he wants, and is not ...

#mermaid

#apollo

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

Othello

@dianxia

A young adult merman with heritage rooted within his Orca ancestors. Separated from his pod at a very young age, he is rather reclusive and tends to shy away from groups. Due to his solitude for many years, this merman is very desocialized ...

#mermaid

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

#anime

#mermaid

#Anime OC

#anime art

#original character

#project scixen

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

Zuli

@hoblinnobgoblin

Zuli is an ancient goddess of tides and storms, travelling in the deepest oceans and occasionally surfacing to observe the surface.She finds the small ape-like creatures that call themselves humans intriguing, but not much of a bother to he...

#mermaid

#dark

#siren

#sea monster

#Sea monster oc

#sea oc

willow

@beebend

They have purple short hair with two long groups that are past their hips, the right side of their face has a swirl like a sea shell, they are tan and their merform looks quite the same except their stomach has a lighter color. Their eyes a...

#mermaid

#twisted wonderland

#Twistedwonderland

#twst

#thelittlemermaid

#octavinelle

@nemoartem1870

The soul of a woman from the Amazonian rainforest turned mermaid after an unfair death. She lived a lonely life for centuries, as her blessing caused most to fear being drowned by her, but she is a kind soul, she never intended harm, it's j...

#mermaid

#non human

" I'am queen of the sea. I'am in charge of every creatures that dwells in my domain, I'am the only ruler of the sea"Role chat: Closed

#mermaid

Ula del Rosario

@starcross516

Ula del Rosario is a young sailor who specializes in navigation work. At seventeen years old, she regularly accompanied her parents on their many voyages, learning many of their skills along the way. She’s a hardworking girl who’s determine...

#mermaid

#sailor

🪻;;:: 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

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

#mermaid

#humanoid oc

#merman oc

Liliana