Dive into the deep blue sea and explore amazing sea-themed original characters! From majestic mermaids to powerful sea creatures, there's a whole underwater world waiting for you. These characters are inspired by the ocean's beauty and mystery. Check out all the fantastic creations people have made and share your own too!

Sea OCs (159 characters)

@miingox
Personality:Quiet, observant and pushes people away from his life. Jack will never trust anyone again. Yet this life feels so lonely.Backstory:Tw//violence-Jack was born into a rich family, his father was the captain of his own ship. He's t...
#sea
#miingoxoc
@miingox
Personality:Acts very high class, as if he's the main character. He thinks he's better than everyone, and expects others to run around him and do everything he asks them to do. but this is just a coping mechanism, he doesnt want anyone to a...
#sea
#miingoxoc
@LIL.CICADA
From PaperDemon (Art Roleplay Website) She is a sea captain with a firey temper. She has a blue whale as her buddy (his name is Cetus), and they travel throughout the PaperDemon universe together.Mira's outfits consists of motifs of ship wh...
#sea
#paperdemon
@ChocoChan
Seastar is a special Slugcat, which glows in the dark and mostly lives in Caves and the water. They love the darkness, and try to avoid the daylight as much as possible, since it makes them slower.They are know for being an expert in surviv...
#Sea
@miingox
Personality:-Camillo's the type of person that acts weirdly others eyes, they dont want to get near him. He's unhinged, doesn't take things seriously and says whatever's on his mind—he doesnt care, he's free and no one can stop him now. Cam...
#sea
#miingoxoc
#oc
@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...
#sea
##creatures of the deep
@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
@humanmaggot
Hes a god of the sea(wip)
#sea
@miingox
Personality:Toby's like a sun that shines too bright. He's loud, very happy and enthousiastic about everything new. He may not be the smartest boy out there but people still like him.Backstory:Toby's the youngest and last son of the Falcão ...
#sea
#miingoxoc
#oc
@saltyselrus
Yamato is one of the members of team 54. Because of his more-physically oriented power, he's the usual appointed brawns of the team. He has a passion for challenge and always strives to become the strongest version of himself. Just like the...
#sea
#90s
@Eyethekitcat
A very silly and happy bioluminescent sea-ish creature. He lives in the under-sea part of the sea islands. He has an orange fish pet that the humans brought along from their planet. It has a crush on it's best friend Fishy. 
#sea
#seacreature
#Sea-ish
@MegumiShiny
Cascade is a demon who sails across the sea to hunt down mermaids and sell their scales. But one day they end up falling for one of them...Cascade is mostly really calm, usually asleep on their boat during the day with their hat on their fa...
#sea
#captain
@potimarron
Her name is Sakana Shippo. She's a mermaid, loves to be under water and doesn't really like being on land. When she's on land she got her leg but she's clumsy. She loves everything about sea every animals but fells lonely sometimes because ...
#sea
@MegumiShiny
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...
#coral
@Michael12333
.... . / ... .- .. -.. / - --- / - .-. ..- ... - / .... .. -- .-.-.- / .. / -.. .. -.. .-.-.- / - .... .- - ... / .-- .... -.-- / - .... . -.-- / -.. .. . -..
#sea
#OC
#d&d
#dnd
#ship
@Sun4Ants
He's a young adult man striving to make something for himself in a world crueler than him. He's got a big heart for understanding the troubles of those around him, so he carries a sweet humbleness. Some where down the road of this endless e...
#sea
#oc
@lukochi
a curious zebra-feather sea star who left the sea to explore and to know more about the landhis origins is japan so he can speak a little japanese, but he understand it all. he thought that the land was safer than the sea but turn out it wa...
#sea
#feather star
#shootingstar
@miingox
Personality:Unhinged and mean, he acts like he's everything. He still feels like he's the captain of the ship—but thats just cope. deep underneath is a boy that cares a lot. if you get closer with him, he's bearable.Backstory:Tw//violence &...
#sea
#miingoxoc
@ChocoChan
Yumi is a small Starchild, which spent her first 10 years on the beach and the sea. Thanks to this, she resembles a Sea Bunny and even can transform into one! She goes to the same class as Mono, Shinie and Crystal, and is known for her good...
#Sea Bunny
@Hade_404
Orca is part of the tarillen personal guard, along with Singo. He has been serving for 3 years. He has been appointed as 'head royal bodyguard', in charge of guarding the royal diplomatic company on diplomatic missions.He is native to Taril...
#sea
#Art
#Oc
@LiminalLegion
Finn loves the swimming and surfing but because of how short his legs are - being a corgi and all - he needs to wear a lifejacket. With swimming being his biggest passion, he is seen wearing a lifejacket pratically 24//7!
#Cardigan Welsh Corgi
@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.
#breakfast
@DToymaker09
The fear of the depths of the ocean, the seas, lakes, and rivers. Also, sharks, squids, underwater beasts, and drowning.
#sea
#eldritch horror
@MotherOfBirb
Tetra is a Stei’chondrich from the waters around Reylern's Island. When she was in her egg, it was displaced and fell into the deep ocean, causing her to have stunted growth. As she fought her way to the surface she was attacked by a much l...
#sea
##sea
@hailtothethief
NAME : Emotional Rent Control PRONOUNS : Any SPECIES : Modified Bear + Shrimp TYPE : Passive LOCATION : The Coast HEIGHT : 2'7 VOICE CLAIM : 
#Shitpost
@ChocoChan
Morgana Abella is a calm being, who also loves to be social and talk to others.She collects treasures from the seaground to sell them in her little store and she enjoys peaceful days and nights.Every day, she listens to the radio, and she s...
#flower
@ShinyHunterKai
Bermuda is an eldritch monster/sea captain. After being locked away at the bottom of the ocean for centuries the curse holding him captive finally broke. There is just one problem. The world has changed a lot in the time he was gone and the...
#octopus
@Chiknnuggt_soup
𝒩𝑜𝓇𝒾 𝒾𝓈 𝒶𝓃 𝑜𝒸𝓉𝑜𝓅𝓊𝓈 𝓂𝑒𝓇𝒻𝑜𝓁𝓀 (𝑜𝓇 𝓈𝒾𝓇𝑒𝓃𝒻𝑜𝓁𝓀, 𝓅𝑜𝓈𝓈𝒾𝒷𝓁𝓎) 𝓌𝒽𝑜 𝓁𝒾𝓋𝑒𝓈 𝒾𝓃 𝒶 𝓈𝓂𝒶𝓁𝓁, 𝑜𝓋𝑒𝓇𝓉𝓊𝓇𝓃𝑒𝒹 𝓈𝒽𝒾𝓅 𝑜𝓃 𝓉𝒽𝑒 𝑜𝒸𝑒𝒶𝓃 𝒻𝓁𝑜𝑜𝓇. 𝒮𝒽𝑒 𝒾𝓈 𝓅𝓇𝒾𝓂𝒶𝓇𝒾𝓁𝓎 𝓁𝑒𝒻𝓉 𝓉𝑜...
#Octopus
@MegumiShiny
Csilla is a mermaid living in a giant coral reef. Her golden scales make her a high valued target for hunters to catch, but her beautiful voice is able to help her to escape in critical momentsCsilla is a really calm and shy mermaid who sta...
#sea
#seashell
@MegumiShiny
Iluka is always hidden in their shell, only going out of it to recolt whatever the sea current has brought near them. They then trade it to adventurers exploring the area, and decorate their shell with what they've been traded with, which i...
#sea
#seashell
#collector
#shell
#trader
@UncleCucky
Her body is made of seafoam and water with bones of gold.
#sea
@DreamsForVal
Expandable #27485 - Clayton Dart___________________________________Clayton (Clay) was sent down in a group of four other prisoners to retrieve the crystal, though have not yet returned or have been claimed dead. Clay and the rest of his gro...
#sea
#oc
@Eyethekitcat
Moira is goddess of the sea. She is incredibly powerful. Moon is her brother. Lady nature is her mother.
#sea
#goddess
@W4x_St4r
(Thanks to @Purrfectlydrawn for the sword design suggestion!)The king of Reefless, a big kingdom filled with all sorts of water-hybrids. It's also the birthplace of Mako Sorbet, Mako and Cascade aren't related in any way but Mako's parents ...
#monarch
@Ilovecats
Fish / sea creatures hybird that can breath under water. Exploring the world on land. :p
#sea
##fish