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 (436 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

@Base.Rig

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

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

#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

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

#pink

#blue

#mermaid

#axolotl

#oc

#ggloves

Suki

@HogwartsFailure

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

Mary

@Tytate76

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

#mermaid

#ocart

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

Mira

@Wennis

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

#mermaid

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

#blue

#fish

#mermaid

#scales

#oc

#fanart

Manola

@Vuonjal

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

The mermaid that stands out and stands alone.

#mermaid

#merfolk

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

For the Sake of my people. ⋆.ೃ࿔*:𓇼⋆.ೃ࿔*:⋆⋆.ೃ࿔*:𓇼⋆.ೃ࿔*:⋆⋆.ೃ࿔*:𓇼⋆.ೃ࿔*:⋆From a young age on Thalassa has always been regarded as special. Due to the special markings on her cheeks she was deemed the reincarnation of a famed healer of the me...

#fantasy

#mermaid

##reincarnated

##fantasy

##oc

##Onceaheroalwaysahero?

Nixie ("Nyx")

@SeiKittea

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

#anime

#mermaid

#Anime OC

#anime art

#original character

#project scixen

Nectain

@kaiserrath

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

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

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

No name yet (feel free to name)

@mal_doch_mal

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

#pink

#purple

#green

#mermaid

#oc

#sea sheep

Fiver

@mal_doch_mal

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

#mermaid

#oc

𓆝 𓆟 𓆞 𓆝 𓆟a cartographer disguised as a man to pursue the quest of her missing father.

#mermaid

#wuhluhwuh

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

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

#mermaid

#dungeons & dragons (d&d)

#mermaid

#triton

#dnd

#mermaidcore

Vinari

@Azabelle

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

#mermaid

#oc

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

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

#mermaid

#oc

Ray is the Mer heiress (Mers are my take on a water elf, basically mermaids). She was born to a Mer father and a Harpy (moon elf) mother. This allowed her to take on moon magic as well as water magic. Seeing as the society is a magocracy (m...

#mermaid

This is Pearl Mermanja!!She's is a curious, outgoing and friendly Shapeshifter Mermaid in the underwater kingdom! Not only that, she's also a princess! And roams around the big underwater castle she lives in with filled with butlers and mai...

#shapeshifter

#princess

#mermaid

##princess

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

Mermaid Original Characters (OCs)

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Mermaid OCs (436 characters)