Merman Original Characters (OCs)

Dive into the deep blue and meet some amazing mermen! These ocean dwellers are full of magic and mystery. From shimmering tails to enchanting songs, there's so much to explore. Check out all the incredible merman characters people have created! Share your own and join the underwater fun!

Merman OCs (120 characters)

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

#merman

#drawing

Neres family owns an antique shop and he's usually venturing out to shallow water.A blunt character, he is calm in his demeanor and doesn't like to draw attention to himself. He can sometimes come across as mean and has a short temper that ...

#merman

#mermanoc

Kuro Sakana

@CoyGh0st

character was orginally made with cringe lore a few years ago and has been revived and the lore was not improved only extended to satisfy your inner child ✨ very cringe be warned 🤡Kuro is a fish boy around age 28 in human years that lives ...

#humanoid

#male

#fantasy

#merman

##humanoid

##male

Nautillus

@humanmaggot

Hes a god of the sea(wip)

#merman

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...

#merman

#species

Yarrow is a peculiar character, he acts like he already knows everything you are going to do before you even do it. Yet, at other times his expression appears shocked ruining this illusion.A strange merman, more extroverted than anything bu...

#merman

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...

#merman

Born and raised in Sapienta, the kingdom of wisdom (he dwells in the deep sea plain, where there is little light). Orfeas is considered as a perfect role model and an example of learning throughout the nation due to his quick learning speed...

#merman

#Imria

#hero chosen by gods

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 ...

#merman

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...

#merman

#merboy

#oc

Skull (Mer-Object Oc)

@Nacho_User

#object show

#object

#merman

#object oc

#hermit crab

Drake Florian

@CentaurWorks

Drake Florian is a gay merman who currently lives in Hylaeus City by themselves. They used to live with an abusive father, trying to force them into something they weren’t, so they planned their time and money out so they would be able to l...

#merman

#bishie

Suggest a backstory! ^__^

#fantasy

#merman

#suggestions

Tippet Oito

@Lyssabug

One of my Mer-OCs-Tippet is chill and quiet, very smart and observant, could kill you but won't, humble, but also knows very well what he's capable of.Character Traits: -Would be a villain if he wasn't so soft-occasionally the mom of the gr...

#merman

#octopus

#merboy

#marmaid

#octoboi

#scarf

Yabby

@LeafyLilac

Yabby is a bodybuilder/personal trainer.He only wants the best for people and is often seen helping out in his local community.

#merman

#Yabby

#merman

##silly

##oc

##merman

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

FAN

Sandi

@BOiBQ_S4UC3

When Royale High became open to the magical realms, Sandi became one of the school's many students. As a merman, he enjoys hanging out in the pool and staying hydrated. With his amulet, given to him by a friend, he can easily transform from...

#merman

#royale high

#himbo energy

#beach boi

#surferdude

#merman

#humanoid oc

#merman oc

Merlin AU

@Leigh_3Sky_3

This is an AU for my story in the MBP folder, Merlin is my main character there but here he's a traveling Shark in this AUAlong comes another Merman... I don't wanna name drop him... yet. Because like spoilers, he is also from my MBP folder...

#au

#merman

#MERLIN

#merman

#orca

#mermaid

A calculative, somber young man who longs for a past he cannot return to. (he kisses men AND women)

#merman

Adaro is extremely dangerous. But not on purpose. It’s in his blood to bite, harm, and snap people when they aren’t looking. The bell in his pocket is there for your safety. Don’t let him sneak up behind you. Overall Adaro is a good guy whe...

#fish

#ocean

#merman

#fishman

#sharpteeth

#teeth

Kelp

@737

Kelp is a Merman. He lives on a coral reef with his younger half brother and hates humans because of their pollution of his home. He does his best to clean up the ocean around his home and tries to repurpose the trash into something else, l...

#fantasy

#merman

##merman

#merman oc

#oc

Minnow

@737

Minnow loves exploring the reef that he lives in. He loves to collect pearls and seashells. He is a positive and cheerful individual. Kelp is his older half brother.Minnow became infected after his home was affected by an oil spill. Mers ca...

#fantasy

#merman

##merman

#merman oc

#oc

##infected

Raynne Bizeveron

@sinnie_bean

Raynne is the crown prince of the Neptunis Kingdom/Colony. His father, Kasper is the current ruling king.His lineage is cursed in a way, the blood of a siren runs through his veins and as all merfolk know, sirens are bloodthirsty creatures ...

#royalty

#prince

#merman

#tropical

#merfolk oc

Caspian Zervas

@screamingghostt

An ADHD filled hopeless romantic siren making his way through life singing & crushing on straight boys

#humanoid

#lgbtq

#merman

#lgbt

#oc art

Tyberius Valtemeri

@sinnie_bean

Ty is an outsider mer from the powerful Valtemeri colony of betta merfolk. He and the rest of his family do reside within Neptunis territory, but prefer to be known as their own separate colony.He is Raynne's life partner/mate, and that is ...

#merman

#merfolk oc

#betta fish

Doji

@NeverNotNutty

Doji is a 7'5 giant merman. He has the ability to shift between a merman and human form, meaning he can switch to human legs. Funny enough, His color pallette and overall appearance was heavily inspired by the little mermaid.Originally, he ...

#fantasy

#nonhuman

#mermaid

#merman

#seabeast

Erythros

@Blakes_cloud

#merfolk

#merman

#folklore oc

FAN

Ellis Nereida

@Ark0fSt0rms

"I don't want to fall off the rail again."─── ･｡ﾟ☆: *.☽ .* :☆ﾟ. ───The boy who is the bearer of the leviathan's mark. The boy who is the gods' cursed bastard child. Not a weapon. Not a monster. Only a child. ♱⁺. ⋆˙✧⋆꒷꒦꒷⋆✧˙⋆⊹.♱"You're a mur...

#merman

#greek

#mommy issues

##merman

##mommyissues

##greekoc

Danny

@Ibex

All started when Nereus, greek god of deep seas (he gave his throne of sea god to Poseidon, but kept his role of ruling the abyssal seas), met sea life researcher. The girl was studying the Marianne abyss, but began to lose control of her e...

#fish

#merman

#greek mythology

#demigod

#oc

#greekmythology

Fathom Undine

@GHOSTYChoco

Fathom is a shark merman. He serves as both the ruler and the army general of Atlantis, a kingdom underwater in Zastrium. The reason why most passing ships fear the city of Atlantis. A natural born leader and a powerful figure, but just lik...

#fantasy

#lgbtq

#dungeons & dragons (d&d)

#merman

#dungeons&dragons

#d&d npc

Artair

@sawbones

An eighty foot tall sea monster who gave away an eye in exchange for the ability to turn human while on land. You know, becuase he was down bad. He'd probably do it again if prompted.Now he spends his time during the day working with Kit, t...

#merman

A former guard at UrbanShade who signed up to become a super soldier. He and his daughter lived on-site, and without his knowledge they experimented on his daughter as well. Not only that, but they made a clone of her.After the lockdown, he...

#monster

#mermaid

#merfolk

#merman

#pressure

#pressureoc

Tetra

@blueFlame

A silly goober from the underground caves of his homeland, now stuck going green seas and lakes, this bi racial mer of a freshwater and salt water mermaid is a slap in the face to biology and logic

#neon

#merman

#goofy

#mer

##merman

##glow

Merman Original Characters (OCs)

Explore Character Designs

Merman OCs (120 characters)