Background[]
When Omni-Man left Earth, he embarked on a soul search, and rescued a Thraxan transport, and was given amnesty, that's when he met Andressa and the two became married and gave birth to their child.
Meeting Mark[]

Nolan and Andressa introducing Mark to his baby brother.
Half a year later, Mark was summoned to help his brother, after learning that Nolan and Andressa have a son, Mark feels increasingly bitter towards Nolan and even expresses great disbelief upon reacting to his younger sibling, claiming that Nolan replaced him. Although Oliver appears to be a few years old, due to Thraxan DNA, they develop more rapidly than humans do, living their whole lives a few months on Earth, and when mixed with Viltrumite DNA, this will let his the boy live to thousands of years old.

The New son of Nolan bonds with his oldest sibling.
Upon talking to Andressa, he became sympathetic to Andressa and the child, during a moment of discussion, and also tried to grab his brother hand. He then he saved them from Lucan, Andressa and her child were last seen hiding deeper into the caves to avoid detection from the Viltrumites.
A New Life[]

A dying Andressa gives her son to his brother Mark.
Invincible reunites with his brother and Andressa at the palace, with Invincible blaming him and his dad for the destruction of Thraxa. The brother is seen looking at his brother and goes to his leg for support. Two months later, Invincible is told to leave Thraxa with his brother. At first, Mark denies this, but Andressa believes it to be a better lifestyle, because she doesn't want her child to live alone knowing entire generations vanish before knowledge on Thraxa can evolve into something more, she would want him to live on Thraxa, only when Nolan was still on the planet, but now he's gone. She must go to Mark for support.

Debbie tries to feed her new son.
Mark and his brother return to Earth, and Debbie meets his new brother. Quickly, the two decide to keep him, but consider certain treatments for the boy, as Mark doesn't want to abandon him, or give him to Cecil. Cecil arrives later and notices the child. He offers the best of tutors and care, but they deny it. Cecil is somewhat trying to get Debbie to think about the decision.

Debbie will not let Cecil take over Oliver's life.
The child is then given a name, Debbie calls him Oliver, named after his step-grandfather, Debbie's father. Debbie decides to keep Oliver, rather than to give him up to Cecil, Debbie admits to Cecil it's not about them but Mark and Oliver, that the betterment of Nolan. When Mark returns from space he comes by to see how Oliver is doing, as Oliver is able to put cups together, when Debbie calls Mark, Oliver goes to Mark, calling Brah-brah, trying to call him Brother. Oliver then is seen crawling all over of the house when April Howsam, his new tutor show up and is given a new toy. Oliver calls Debbie "Momma-Boss", upon hearing that Debbie will be in charge of April taking care of Oliver.
Home Trauma[]

Mark witnesses Angstrom's sins.
Sometime later, Oliver would begin to speak more. Then at night, a man came over and held him and Debbie hostage, to bring Invincible inside the house. Oliver would witness the man known as Angstrom Levy commit horrible things to him and Debbie, and could do nothing but cry. Angstrom even used him as an object to abuse Debbie. That was until Invincible arrived and put Levy down for good, Oliver however was physically unharmed, and was taken to GDA custody and returned back and put to sleep by April.
Mission Accomplished![]

Oliver and Mark playing outside.
Four months after the assault from Angstrom Levy, Oliver would grew into a pre-teen and also develop powers. And at this point, April Howsam learns Oliver to speak. Oliver got it right and ask April that he can go play outside and she agreed. He greets his stepmother when she got home, his paternal half-brother, Mark got home and he would play outside with Oliver. Oliver ask about two criminals escape, and the fight between Multi-Paul and Rex Splode to Mark. He told that if he was here, he would sure that they got them, Mark bet he would. Oliver told to Mark that he would get his very own costume and be a teamwork, Mark agreed and told him that only if he got his own superpowers. He promises and Mark promises and throws the ball up to the air and told him that to remember that he didn't get his powers well he wasn't way older than him, but until Oliver flies and gets the ball and Mark was shock. Oliver told Mark that it was to late that he promises to get his own powers.
At night, Oliver went outside and listens through the kitchen window what Debbie and Mark saying.
The next day, Debbie was painting Oliver's skin making it a human skin at home so he can go to the zoo. But he told her that she and April that he can be himself. Debbie knows and said that it is true, but she said to Oliver that he wanted to be a superhero, and he nods. And she told him that superheroes has their own secret identities even Mark, Oliver knows. Debbie said to Oliver that this is his secret identity, Oliver said "cool" as Debbie said it. But until he told her stepmom to apologizes about not showing his powers but Debbie said that it is okay and no more keeping secrets. Until a door rang and Oliver decides to go check the door who is outside. He open the door and he would met Cecil Stedman for the first time. Cecil told Oliver that he forgets to cover the spot of his real skin, he would introduce himself to Oliver. Oliver heard of him and said how superheroes what to do and if they don't listen they get super mad, Cecil corrects it and he also heard of him.
Afterwards, he would wear headpods and play video games well Cecil is talking to Debbie. Until he heard that the heroes were abducted by someone. Oliver would dress into a orange and white shirt and pants with scarf mask and goggles (similar to Mark), and snuck out to the house as he would attempt to save the day until Debbie sees him and stops him. Making Oliver to be in trouble. He and Debbie would talk each other about sneaking out to the house to save the day, Oliver said to Debbie that he didn't mean anything that he wants to help Cecil because the superheroes were abducted. Debbie is glad to hear that and she told him that why he did not tell her, Oliver said i don't know and Debbie respond that he knew that she is gonna say no. Debbie would seat beside to Oliver and ask him that he does not need to sneak out to the house. Oliver apologizes to her as he hugs Debbie and she said that it's okay. Debbie understands it and told Oliver that he wants to be like Mark's superhero's name "Invincible", Oliver agreed and he wants to be like him. Until Debbie ask that who was Invincible's mom and Oliver was shock, Debbie said she was Invincible's mother as Mark listens to her. Debbie told Oliver that Mark is gonna train him and he will someday be a superhero, Debbie hands him a goggle and Oliver grabs it. He flies around as he became excited and he promises and hugs Debbie again.

Oliver and Debbie talking to Invincible about Cecil.
To be added...

Invincible tries to teach Oliver to be a super hero.
To be added...
Son of Nolan[]

Oliver adopting his superhero name: Kid Omni-Man.
Invincible deals with Oliver who accidentally got stumbled in the fight with two of Machine Head's goons. and Invincible becomes irritated and decides to teach him the ropes the right way.
One day in the clouds, Oliver has trouble catching up with Mark, and is still wondering when they will actually get to fighting crime, but first he needs a super hero suit.
At Art's tailor shop, Oliver decided to have a new suit, where he reveals to Mark and Art that he will be called: "Kid Omni-man" Art disappointed was convinced the O stood for Oliver, Mark talks to Oliver about the name, and that "Omni-Man" will fly by here on earth, because of recent actions two years prior and the following year, it will take a lot of time and years for people to move on, but Oliver insists he tries to redeem the Omni Man name and take the mantle to whole different direction!
Luckily for them, a news reports talks about a breakout attempt at Payton penitentiary, which Oliver and Mark go to after.
First Super Hero Team Up[]

Mark upset that Oliver didn't follow his lead.
In the skies, Mark tells Oliver about the two crooks that he once fought, and then tells Mark to hang back, however he steps in and helps, but gets electrocuted, unconscious. Mark defeats the two crooks with ease, Mark is then relieved and tells Oliver he was supposed to watch, and tells him he doesn't listen he won't let him be a super hero.
Oliver and Mark return to find Debbie with Paul (not Multi-Paul), and tries to save face, admitting they came back from the comic shop, however they are caught on TV, while Oliver is excited they were on television, Mark doesn't like the name social media gave him: Invinciboy.
Friend or Foe[]
Invincible learns that the Mauler Twins have attacked the Missile Silo base, and heads there to stop them, but has trouble. Then at the Grayson house Debbie learns about Invincible fighting the Maulers, and that's when Oliver flies asking where Mark is, and learns he is at the silo, quickly he rushes to help!

Kid-Omni-Man moves like speeding bullet, crashing and destroying the Mauler's EMP Gun!
The Mauler twins are holding their own, with their own EMP gun, however Kid-Omni-Man, like speeding bullet rams and destroys their weapon. Kid-Omni-Man says "You guys are in big trouble", upon arriving, Kid-Omni-Man tries to help Mark, but enraged Invincible is not having it, and tells Oliver to scram. However things get more serious as the Maulers activate the missile, Marks goes to stop it, leaving Kid-Omni-Man alone with the Maulers. The Maulers tell Kid Omni-Man they don't kill kids, but can make an exception with him, however they underestimate Oliver's immense strength as hooks one of the Maulers, fracturing his jaw. In a sadistic expression looks satisfied with his strength, but then is grabbed by the leg from another Mauler who slams Oliver to the ground. For a moment the Mauler who slammed him, inspects his brother's jaw, saying they need a medic, but fails to notice a rising Oliver, who rams into his body, killing the first Mauler.
Oliver emotionlessly remarks what happens to bad guys, and notices the second Mauler who tries to surrender, but he says too late, and slowly uppercuts the Mauler and spreading his skull and brain into the ceiling, ending the Mauler Twins threat for good.
The Immortal watches in horror, and suddenly Oliver admits he didn't mean to kill them, Cecil tries to triage the situation but Invincible arrives choking Cecil and then notices the bloodbath caused by his brother.
Invincible quickly takes Oliver to the sky, questioning why he just killed the Maulers after saying they don't kill villains.
TBA...
Gets Humbled By Teenagers[]
Oliver snuck out to the house at night to skateboard. He would meet his two friends outside and the two of them didn't care about Oliver's skincolor or his powers. Oliver would use his powers to skateboard but his friends told him to not use his powers, he agreed and tries to skateboard without using powers until he fell down, afterwards his two friends ask him that if he's okay but Oliver gets up and said that he did not get hurt at all, even stating that he almost did it. He would go back and try again, until the light of a car appears and Oliver and his two friends hide until the car droves away. Three teenagers appear in front of them and confront Oliver and his friends. Oliver said that they were here first, Teen Boy 2 notice that Oliver's skin-color is purple. Skater Boy told Oliver to let's go because they need to go home.
They laughed at Oliver when he said that they are not leaving and told them to leave, the young man pushes Oliver and told him to get lost. Oliver gets mad and three teenagers says to watch out he is getting mad. He clutch his fist and uses his speed to pulls down three teenagers pants, making them runaway from Oliver well he and his friends laugh at them. Skater Girl said that it was awesome, so Oliver and his friends would leave to go home with their own skate.
Powerplex's Attack/Pre-Invincible War[]
The Funeral[]
Debbie painted Oliver's skin as human so everyone won't notice. Paul, Eve, Mark, Debbie and he, went to the funeral about the victims of his father. Oliver told Mark that everyone hates his father, Mark was about to say but until Powerplex appears.
Continuation...
Invincible War[]
Noticing the Arrival of Invincibles[]
To be added...
Fighting His Half-Brother's Bald Variant[]
Oliver in his superhero suit "Kid Omni-Man" rescued one man and woman. Oliver noticed a variant flying up to a sky, mistaking it as his brother, as he flew to him. He would end up meeting his brother's evil bald variant.
Continuation...
Fighting His Half-Brother's Haired Variant[]
To be added...
Aftermath[]
To be added...
Advent of Conquest/Post-Invincible War[]

BIG ASS BEAT DOWN, COMING UP!
Conquest's Arrival[]
To be added...
Nearly Getting Killed[]
To be added...
Post-Advent of Conquest[]
Recovery[]
To be added...