Experiment characters are fascinating mysterious and often carry a hint of the unknown! These OCs might have been created in a lab transformed by strange magic or altered by scientific curiosity making them truly unique. With their unusual abilities altered appearances or complex backstories experiment characters always stand out and add an element of intrigue. They might be searching for answers about their origins escaping from a hidden facility or learning to control their newfound powers. Explore this collection of incredible experiment OCs and don’t forget to share your own character who breaks the mold!

Experiment OCs (89 characters)

@smile
a more-than-human girl with the best life but a secret past
#experiment
#nijurek
@Pancakura
An eccentric butcher that roams the streets of Krong Kaew.Whether you want to buy some meat or get an amputation she can do it all! Well, as long as you play the right price!"Are you leaving already? But Niku was preparing something really ...
#experiment
#human?
@celjc
Noa is a young adult who spent her childhood in a residential school, and almost the rest of her life after that being experimented on to create a cure for a sick woman.
#experiment
#labrat
#nativeamerican
#sioux
@BluTBag
The quiet and deadly Copycat, or Chessie, as they prefer to be called, was another experiment of Wyvren labs, held in an even more secretive laboratory than Vivvy and her gang. The Lab where Chessie was experimented on's focus was to create...
#experiment
#catoc
#glitch
@Nordic_Faerie
Vae is a 27 year old woman who's short in stature. She's pale, has green hair and blue eyes. Most of the time she wears Victorian Era clothing with a hint of Steampunk inspiration. On the outside, she appears as a life-sized porcelain doll....
#experiment
#mutilation
#dylapsia
@Mothbb
A very sweet girl that likes cats. She grew up in a lab where she had multiple experiments on her. She meets and gets to know other kids here. She loves carrying here stuffed cat around with her
#experiment
#kind
#loves cats
@Voidghost_Aster
IX is a failed attempt to recreate a powerful being. Despite their quiet appearance they can be a complete utter menace to their handlers due to their incompetence to take proper care of them. 
#experiment
#humanish
#failed experiment
@Wantinglootles
Senior is a very rare species, being Canine-born. He is 7'5, and is of an unknown breed. Due to immense testing (most of which manifested into trauma), He lost many strengths common to his breed according to research. However, he still reta...
#experiment
#lowkey traumatized
@Ibex
This gorgeous is at the start a science experimentation, a homonculus (artificial being). Once born, first she blindly did everything the scientist were making her do, like lab test and all. But it was hurting her (duh) and once she underst...
#experiment
#homonculus
#labexperiment
@Kiosoke
Kichiro is a fan character of my favorite comic.Link :
#experiment
#Derideal
#Unknwon
#Experimented
@Pancakura
A young girl with a love for fun and chaos!Little is known about her past, or about her at all aside from the fact that she's a part of the LR terrorist organization
#experiment
@Nordic_Faerie
Kleo is a zombie girl who.. Wasn't always a zombie! No, she didn't get bit, she just got revived and doesn't need to eat, drink, or sleep. She's like semi immortal. If you stab her, she dies, if you rip her arm off, she might die in a week,...
#experiment
#ray of sunshine
@hieravian
Dimitri Evaness is an individual who is the result of an experiment to see whether it was possible to merge together Rhamie and Human DNA, something impossible in nature.Xie has an incredibly potent psychic ability known as Complete Mind Wa...
#experiment
#psychic ability
#rhamie
@pokebolt360
It has the head of a dragon with the horns and fangs of something else, its eyes glowing brightly. It has the ears of a wolf resting atop its head between the horns. It has the wings of a dragon, much bigger than Choryth's. It appears to ha...
#experiment
#boss monster
@VibrantBee
Addison is Vibrantbee's fan OC for the game PRESSURE on Roblox. She is a human mixed with the DNA of a squid and a AppearanceAddison doesn't have legs, but instead has 6 tentacles with suction cups on the inside. Although the length of her ...
#experiment
#PRESSURE
#Fan OC
@STRANGERDANGER
Milo is an exp at an experimental facility. He is a total DICKWAD, he is dirty-minded, has a pirate kink, rude, loves pirates, extremely narcissistic, obsessed with pirates, very greedy, annoying with his teasing and he REALLY likes pirates...
#experiment
##experiment
##animalhumam
##silly!
##animal oc
@Jupiter
Jupiter is a demigod shapeshifter who leads 6 different lives as completely different "people"To tell their forms apart, all you need to look for is the gray beanie on their head or a pair of horns and 4 eyes if they're out of public view.T...
#experiment
#demi-god
#lgbt
@hieravian
Kaleva was one of the experiments within T.ESP.I, having fled the facility twice in his life. Once as a kid alongside a couple of other experiments, and once again on his own as an adult. Well, he took an AI along with him. It was pretty mu...
#experiment
#tespi
@ChocoChan
Kat13, also known as "Experiment 13" or Katie, is an android made by Dr. Robotnik, who wanted to make a more life-like mobian to keep up with Sonic. However, Kat13, who sees the doctor as his dad, has her own mind, claiming to be "neither g...
#sonic
@Gretchieartz
Mallory, (Hypnos) is a 22 year old polish- American normal woman, with a few expectations. Non- willingly, she was kidnapped and set to a estranged doctors own take at the MK ULTRA experiments. Staring at a purple seining pendulum, over, hi...
#experiment
#bodyhorror
@TheToeBeanLord
Soft middle aged woman who cares for her robotic son, Stephan Static.
#experiment
@SalemCalprium
Patient 001, also known as Rosie, was the accidental beginning and end of a very short lived medical project that was part of a collaboration involving the companies of Digicord, Saber Hospital, Contamination Science and Research as well as...
#experiment
#accident
#digicord
@DreamsForVal
Expandable #28172 - Valentino Chuhanov___________________________________Valentino was part of a group of 3 other prisoners, all members of the group presumably dead due to lack of response. There have been strange readings coming from the ...
#experiment
#pressure
#pressure oc
@STRANGERDANGER
I actually hate him.Stripe is a sweet innocent cheerful boy who witnessed a murder when he was 3 and didn't get murdered because he was too much of an absolute loser and deserved a much more painful death than what his parents experiencedHe...
#experiment
##experiment
##silly!
##animal oc
##animal
@MissLorraine
she hates everyone, and is very cold. She has trust issues and acts very cold towards everyone, even though she may love some like family. She is very friendly and loving towards children, especially if they remind her of her younger self.
#experiment
#nyx
@EvaDivaIrene
Lyla is a young woman hiding out from the rest of the city under the protection of several other women. This is because she has a parasite living in her gut that threatens other people if she is not careful. She is a sweet and charismatic l...
#experiment
#Psychological
#originalcharacter
#originalstory
@0kurai
One of Helena's experiments to try find out if humans can become immortal without any sort of special abilities.he was found on the side of a highway on a hot summer afternoon, he had been scared by a bear and got lost since he wasn't from ...
#experiment
#test subject
@UnexpectedError
Experiment 1905, an active and engerized girl whose bestfriend is Experiment 1906.Know famously in the Foundation for swearing in Italian when mad (Go figure)Shes the one who needs calming pills lmao
#experiment
@itsjustmyradio
K-Phos is another one of the subjects that is tested on by
#experiment
#roblox oc
@dustyisnotok
This profile is wip and TWs may not apply yet!
#experiment
#TESPI
#Ability Weilder
#Tracker
@tauhkcaj
Kai was a normal high schooler... until one day, he was captured by evil scientists!! The scientists held him captive, running all sorts of experiments on him for years until he eventually got superpowers. After that, he escaped, and now he...
#experiment
#oc
@0kurai
"Stellan" was in a Vkei band with some of his friends from school, they where never very popular but still well known.At some point he was diagnosed with cancer and was unable to continue playing guitar.one day when he was in hospital a str...
#experiment
#vkei
@veetee
Protagonist of Color Squad, sequel to Project: EQWIP
#experiment
#violet
#bivoria
@FeatherFoot
Mah'tiGender: MaleBackstory: Used to be a normal cat- brought in for experimentation at a lab- and got turned into some monster- creature. The horrors of that lab were unimaginable- but he NEEDS to escape.Friends: MISTLE (possible gf?), Hat...
#experiment
#experiment oc
#oc
@KaylaAndCatz
Kayla is a 24 year old female (she/her), she was born in 1999, June 21, she lives in a family of (including her) 5, her big and little brother, her little sister and the mom, the dad? ✨lore✨ (lol), she has two color eyes, one is a white pup...
#experiment
#kind
#fun
#cool
@madewithketamin
Hatchet is a Madness Combat OC, she is an experiment created to solely be a more than fair opponent for Hank. What they didn't expect was how rebellious Hatchet became to be. Hank is on his hitlist for sure, but isn't priority for them. The...
#experiment
#madcom
@Mothbb
They are another experiment. They gets some benefits since they make no trouble. They are secretly going against the Lab and plans on cracking down in them once they get out. 8011 best friends. Anything more?
#experiment
#smokes
#bossy
@itsjustmyradio
Misfit is one of the many captured lab projects. He doesn't particularly enjoy it, but much rather, he defends himself from it. He tries to make himself as invisible as possible to the scientists... despite the fact he does try to escape a ...
#experiment
#roblox oc
#demonlike