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 (590 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

Tsukino Akira

@Sukechi

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

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

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

#mermaid

#oc

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

Mizo

@Base.Rig

She got no brain :^(L

#sona

#mermaid

#jellyfish

#spookfish

#phantom jellyfish

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

Alina

@SeiKittea

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

#mermaid

#project scixen

#wip

Alex

@mal_doch_mal

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

#pink

#blue

#mermaid

#axolotl

#oc

#ggloves

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

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

#blue

#fish

#mermaid

#scales

#oc

#fanart

Titania Caradoc

@rayvpng

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 UNDERWATER Non-binary (it/its) Asexual Birthday: May 7

#mermaid

#oc

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

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

Dorian

@mal_doch_mal

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

#pink

#purple

#green

#mermaid

#oc

#sea sheep

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

Wyvrin

@cr3mating

Born in the beautiful waters of Namarkop Reetl, the worlds deepest coral reef off the coast of Kīrvag- specifically the small underwater nation of Aira Wuru Wyvrin has only ever known the customs of the oceans societies. Unfortunately Aira ...

#mermaid

#oc

In charge of keeping the peace between the Consort of the palace, as well as managing parties/gatherings/christenings/funerals, etc.Child of a revolutionary, married off to seal their defeat. Known for her schemes and puzzles within the cou...

#fantasy

#mermaid

#oc

#how do i tag

#mer

#mermaid

#ocart

#mermaid

#drawing

FAN

Z-320

@Ellyssian

Z-320 just wants out. Though, to be fair, they also desperately want the blood of everyone who hurt them. It can only really have one of these, though, and it knows what they're choosing.Z-320, known colloquially to the lab workers as The M...

#mermaid

#body horror

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

Sora is the prince of Coralyn and the next heir to the throne. He was attention starved throughout his late childhood and his teenage years because a war broke out. The kingdom Thalassara -- which is arguably the most powerful kingdom in th...

#mermaid

#merman

#mermaid

#lily pad

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

Clémentine

@Lhou999

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

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

About:Mary is a noble lady who lives near the sea, in a big private house. She's an aristocrat who's really passionate by the sea. Bien qu'elle puisse sembler froide et insensible, forcée de ne rien laisser paraitre, c'est une personne prof...

#cyclops

Veilchen Capri is the Aunt of Morgana and Venezia Abella. She is the sister of their mother, who dissappeared without a trace in the ocean. Veilchen was the one, who raised the two sisters on the island with all kindness she got. And now, s...

#tales of the sea

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

#mermaid

#water themed

The mermaid that stands out and stands alone.

#mermaid

#merfolk

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

#anime

#mermaid

#anime oc

#anime art

#original character

#project scixen

Liberty- C. Tetra

@Lyssabug

Character Traits: 🐟 Ambitious, Sassy, Hot-Tempered🐟 Loves gossip of any kind and has a hard time keeping secrets, but will resist the urge when it's important🐟 Whatever she's fixated on she's all-in, whether it be for her friends, educat...

#fish

#mermaid

#fourth of july

#4th

#flag

#firework

Mira

@Wennis

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

#mermaid

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

Mako Donovan -Sandbar

@Lyssabug

Character Traits: 🦈 Inventive, Genuine, Loyal🦈 Loves in-depth conversations and wants to be able to work on some of the research/crafting of some of the new tech they have going on- Would love to actually be a human for a day (He's my Ari...

#mermaid

#shark

#nerd

#merman

#merboy

#ariel

Mermaid Original Characters (OCs)

Explore Character Designs

Mermaid OCs (590 characters)