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 (72 characters)

@Lyssabug
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...
#merman
#merboy
#ariel
@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
@VioletThirium
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
@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...
#merman
@jere_is_here
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
@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
@ShinyHunterKai
Marino is an experienced retiree contest star who is now a coach for up and coming stars.
#merman
@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
#merboy
#marmaid
#octoboi
#scarf
@nagiville
Suggest a backstory! ^__^
#merman
#suggestions
@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
@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
@StellyCelios
Charles is a happy mermaid, especially so in the company of others. He's very bubbly and is always trying to help other people and make them happy. He's always trying to cheer people up and wants to help everyone how he can. He's also very ...
#merman
#minecraft oc
@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 ...
#merman
@spunkley
#merman
#humanoid oc
#merman oc
@kaiserrath
3rd member of the Faerie Court 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 endure...
#merman
@luminaryx
A calculative, somber young man who longs for a past he cannot return to. (he kisses men AND women)
#merman
@sweetly
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...
#merman
#fishman
#sharpteeth
#teeth
@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
@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
@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 ...
#merman
#seabeast
@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...
#merman
#dungeons&dragons
#d&d npc
@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...
#merman
#subnautica oc
#subnautica
@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 ...
#merman
#tropical
#merfolk oc
@emiime.that
#merman
##merfolk
#merfolk oc
##merman
@FinnIsKing
#merman
#emoji oc
#mershark
@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...
#merman
#oc
#greekmythology
@GraySlate
Ilari, son of Poseidon and the treasure of Atlantis.
#merman
#utau
#voicebank
@Zelan
Nikolai has an unusual appearance, even for Fools. His green-toned skin glimmers strangely in the light, and when in contact with water, his lower half resembles the body of an eel. In terms of personality, he's rather outgoing and chatty, ...
#merman
#Siren oc
@BouncyBrain
Lonely, left behind by his pod, Allarys lives in the immediate area of a deserted tropical island, frolicking through the reefs and playing with the fish and the sharks! Until... a pirate captain is thrown overboard and washes up on shore. 
#merman
@MakioRollio
A boy with a love for all things that glitter, Kaimana is a crab merman from somewhere deep in the ocean whose only purpose for attending NRC is to broaden his collection of trinkets and Knickknacks for fun. He's an Octavinelle 3rd YearHe w...
#merman
#twst
#twst oc
#tamatoa
#twisted wonderland oc
@BentFork06
Prince Vincent is the eldest son of King and Queen Magellan of the Kingdom of Marina. As the eldest son, it is his responsibility to find a future queen to accompany him once he becomes of next king. For the past few years, his parents have...
#merman
@AntiqueEnjoyer
(Luh-so-no)
#merman
#mute siren
#Teeth
#woah
@Creepie
A curious yet extremely lazy merman who just really wants to explore. Just let him chill and he won't bother you.
#merman
#monster oc
@Cowboycat
Taslim is a merman who lives around an underwater city with plenty of other merfolk to populate the area. It’s a rather large kingdom, yet not the largest.He’s seen around the area often whether it’s talking to other merfolk, purchasing thi...
#merman
#merperson