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 (121 characters)

@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
@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
@humanmaggot
Hes a god of the sea(wip)
#sea
@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
@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
@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
@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
@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
@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
@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
@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
@kspagee
Arien's younger siblings and a seafur loyalty who was adopted into a family in Esyern; a sassy, blunt, but caring elf who hates modern weapons and prefers a good old bow and arrow.
#sea
#archer
@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
@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
@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
@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
@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
@UncleCucky
Her body is made of seafoam and water with bones of gold.
#sea
@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
@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
@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
@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
@Ilovecats
Fish / sea creatures hybird that can breath under water. Exploring the world on land. :p
#sea
##fish
@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
#pressure
#oc
@DreamsForVal
[REDACTED] was sent out on the expedition and never returned, being labled as yet another dead prisoner who couldn't retrieve the crystal. [REDACTED] was rumoured to have been mangled to death by Z-90 (Wall Dweller) due to not paying attent...
#sea
#pressure
@Eyethekitcat
Moira is goddess of the sea. She is incredibly powerful. Moon is her brother. Lady nature is her mother.
#sea
#goddess
@GhostedSea
Wyatt is a 28-year-old undead poet who was formerly a sailor and a hunter; mainly known for his track record of hunting Avians and Sirens and selling their tails, feathers, scales, etc. in the hidden market.After being ultimately murdered b...
#dark fantasy
@ColadaTheJerboa
A Scientist and Mage who has an obsession with finding the Key to immortality, Draxus is a rather Cruel individual who will run tests and experiments on anyone and anything that he can capture, usually without any sedation. He also seeks a ...
#sea
@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
@woohoo
Working dawn from dusk, the Blackfin Bistro has had Eldoris Inklet as their number 1 employee for months, but one small mistake could mean Calamari as the new daily special!Eldoris is an incredibly anxious waiter with the helpful capability...
#sea
@asterlocke
Sociable, flirty and a bit vain, Raine is the life of the Dream Chaser crew, always ready to crack a joke and laugh. Nominated as the crew's cook and hunter, they always try their best to cheer everyone up if they feel like the mood is off....
#lgbt
@joestarred
brizo is a manta ray kid who lived in various reefs, before being taken to an aquarium to live there.
#sea
#ocean oc
@Clark
UnnamedAgeless adultMaleSilly, joyful, carefree, reckless, enthusiasticLikes salt water, sea, clouds, wind, sand, blueCan fly and breath under water
#White
@Electrozilla
An old military robot built in 1896. Grouchy old man. No longer works in the military, and instead sits around and plays sudoku puzzles all day. 
#sea
#nautical