1 - 20 of 285 Bookmarked Items in William Clockwell/Mark Grayson | Invincible
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After surviving the hell dimension where Angstrom Levy exiled the variants, Mohawk Mark clawed his way back onto earth. Stuck on the world he previously attempted to destroy, he begins plotting how to best rebuild his empire. Except there’s one thing he wasn’t expecting:
William Clockwell.
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Mark is going through alien puberty, as he calls it. William is surprisingly helpful and chill about it.
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I miss you, William by Leggileg
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
12 Aug 2025
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Maskless does what he's told like he always does, then he comes across his reason for demension hopping in the first place.
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Not even death can do us apart by Annie_cat
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
09 Aug 2025
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In every universe, Mark Grayson eventually falls in love with his best friend William. The circumstances may be different, but the feeling is always the same. However, in each universe something happens to William, leaving Mark all alone, grieving. Unable to forget their loved one, the variants accept Angstrom's offer of fulfilling their every desire, as long as they destroy another Invincible's dimension. But how are they going to be with William, if they're obstacled by themselves?
Sorry I don't know ho to write a summary and english is not my first language, so sorry if something may not have sense, but please give this fic a chance <3
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William keeps receiving flowers, rocks and even many types of minerals. He doesn't knows who keeps doing this, but maybe... JUST MAYBE he loves it and make his life more interesting.
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Echo Chamber by JuneJulySeptember
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
09 Aug 2025
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“Sir, there’s a version of Mark outside. Asking to see you.”
Cecil feels his stomach clench in apprehension as he looks at the Mark through grainy security footage. Hands behind his head and expression perfectly calm surrounded by reanimen.
No yelling, no cocky smirk, no crazy eyes.
There's also none of the anxiety or anger or any of the complicated array of emotions that Cecil is used to seeing on those features. Just the sort of calm confidence that stems from the complete and utter certainty that he’s the strongest person in the room. Cecil is intimately familiar with this kind of cool surety, since he used to see the look all the time.
On Nolan’s face.
Or: One of the Mark's isn't actually evil and he wants to stay. Complicated, heart-wrenching, and sometimes funny things result from this choice.
Series
- Part 2 of Invincible Musings
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Bookmark Notes:
:) like this a lot
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Bookmark Notes:
ch13
monday
11/08/2025
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A Mark on Me by Cindy_rella
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
10 Aug 2025
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William survived the end of the world—barely.
When the eight surviving alternate versions of Mark Grayson conquer his ruined Earth, William becomes more than a survivor: he becomes a replacement.
To some, he’s a lost love.
To others, a pet.
To all of them, an obsession.He doesn't belong to any of them. But in a world where they’ve destroyed everything else, they’ve agreed on one thing:
He’s not allowed to leave. Ever.
When eight twisted versions of Mark Grayson conquer his Earth, William becomes their shared obsession. He’s not their William—but that doesn’t matter. He’s all they have now. And they won’t let him go.
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William ran. The city blurred around him. Skeletons of fallen skyscrapers, destroyed rubble of businesses, lifeless bodies – they were all around as he sprinted. His injured foot left a dotted trail of blood after him, each step becoming sharper than the last. The glass shards still embedded in the sole of his foot burned, grinding deeper with every strike of the pavement. He pushed past the pain anyways, even when he heard desperate pleas cried out behind him. It pulled at his heartstrings for some reason. This mark wasn’t his mark. He killed so many, including one of his classmates. So why do I feel so bad?
Because he looks like Mark, William’s mind helpfully supplied.
Oh, bite me.
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William is the healer of the hero’s party. He and his friends, Markus the hero, Eve the mage, and Amber the druid, are destined to defeat Markus's evil twin brother, the demon king.
One problem though, the demon king is in love with William.
WillMark RPG AU-
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After his dad disappears, Mark needs a break, so he and William go on a road trip that ends a bit different then either of them expect.
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William placed a hand in Mark's hair, and Mark relaxed almost automatically at the familiar touch, "You're not alone, you know that."
"Yeah. I'm stuck with you, aren't I?"
"Dude, if you can find a better best friend, be my guest."
Mark snorted in amusement at the confident tone. He could never find a better best friend, and William knew it.- Language:
- English
- Words:
- 25,790
- Chapters:
- 11/11
- Comments:
- 156
- Kudos:
- 1,089
- Bookmarks:
- 163
- Hits:
- 18,869
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When You Feel It Too by Leon_KennedyLover
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
14 Apr 2025
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Mark Grayson may be a superhero, but his hardest battle is facing his feelings for his best friend, William. Their bond—once just laughter and late nights—has started to shift, with lingering touches and unspoken tension. After a rough fight leaves Mark vulnerable, he admits that being with William is the only time he feels like himself. In a quiet, honest moment, they finally acknowledge what’s been growing between them, sealing it with a kiss that feels like coming home.
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Turns out, worldwide terrorism doesn’t account for overworked college students taking naps.
Or—The Invincible War starts after you finish working a full shift and, somehow, the day only gets worse from there. You would’ve appreciated a heads up that multiple variants of Invincible have unfinished business with you.
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Bookmark Notes:
I love this fic sm
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be nice to me by foggywaffles
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
30 Jul 2025
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You're a killer,
And I'm your best friend,
Do you think it's unfair?
Your situation?His brain is desperately attempting to remind him about the importance of morality with quotes that sound suspiciously like they came from one of his philosophy lectures in college, but all he can think about is how there's a variant with his best friend's stupidly attractive face clinging to him, pleading with him and gazing at him with such unwavering adoration as if he's his entire universe, and may God fuck him sideways, William is weak.
Series
- Part 1 of [TITLE CARD]
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Just Call Me In The Morning by CoconutGingerJuice
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
10 Aug 2025
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As William scrambles to escape to safety during the invasion of dozens of evil Invincibles, he finds himself tethered to one particular variant who’s hellbent on protecting him, dragging him across the earth for his safety.
Despite the violence that brought them together, a strange comfort blooms between them— one for which they both yearn for once William tries to reclaim normalcy in the aftermath, and as something sinister brews beneath Upstate University.
A story about second chances, trust, university shenanigans and tenderness despite the odds.
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"Mark and William had been best friends since elementary school, when they discovered they liked the same comic book series and would sit together at recess reading them instead of playing with the other kids. And their friendship only grew stronger as the years went on.
One day in eighth grade, while walking home from school, William told Mark that he was gay. At first, Mark was stunned—not because he had a problem with it, but because he had never met a gay person before. And now, the first one he ever met was his best friend. Well, gay people must be cool if William is one, he thought. Mark looked at William and shrugged. “Awesome!”
From then on, the two were inseparable—playing video games at each other’s houses every day after finishing their homework, swimming in the town creek during the summer, and talking late into the night during their weekly sleepovers. It was during these times that they got to know each other so well, they believed they knew all of each other’s secrets."
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In short, William loves Mark, Mark doesn't realize how much he loves William, and Nolan Grayson does not approve. Canon divergence.
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Maskless-Mark and Masked-Mark accidentally arrive in the original Mark's dimension and, upon realizing the people they loved were there, decide to change their plans.
Why ruin this world to find another where Debbie and William are alive, if there's already one where they both are?
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Bookmark Notes:
New beginning.
three_milks
Chapter 5
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Bookmark Notes:
This fic is amazing! Thank you dear writer I love markus and Marcy 🥰
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Eyes On The Prize by Theknown_unknown13
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
06 Jun 2025
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William ends up getting saved by a Viltrumite; only this one isn't a Mark. What in the hell is going on here? Alternatively, Mark gets saved from Conquest by someone who looks like William's twin. Turns out Angstrom isn't the only one who can travel through different realities.
- Language:
- English
- Words:
- 39,224
- Chapters:
- 12/?
- Comments:
- 366
- Kudos:
- 1,255
- Bookmarks:
- 161
- Hits:
- 20,829
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you said such nice things about me by cannibalisticCorpse
Fandoms: Invincible (Cartoon 2021)
11 Jun 2025
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Mark comes home really late and a joke leads to something more.
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"Wait, wait, wait," Mark says, holding his hands up. "Are you- Are you into me?"
"You cannot be this oblivious."
"Pretend I am, then! Are you? William, are you into me?"
"Yes, Mark! Obviously I am!" He presses the pillow over his crotch, as if hiding his arousal now will do anything.
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Where Mercy Doesn't Live by MeepMeep7913
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
11 Aug 2025
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Debbie knew that her son was not like others when the silence followed him. Mark Grayson didn't understand the world, he didn't understand the feelings within him that lurked since birth, and he didn't understand William Clockwell. Even when he would be the quiet kid, when he would utilise his powers for things that would make people feel revulsion if they ever found out, he realised more and more how he needed William when he grew older.
It was true that the world didn't make sense, but William helped him to understand. That was all that Mark needed, and the rest of the world could burn.
(Sinister x William)
A/N: It's about Sinister growing older and then becoming Invincible, and his developing relationship with William. It's inspired by 'aDistraction2406' with their fanfiction 'Made For'.
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Bookmark Notes:
Where Mercy Doesn't Live
MeepMeep7913
Summary:
Debbie knew that her son was not like others when the silence followed him. Mark Grayson didn't understand the world, he didn't understand the feelings within him that lurked since birth, and he didn't understand William Clockwell. Even when he would be the quiet kid, when he would utilise his powers for things that would make people feel revulsion if they ever found out, he realised more and more how he needed William when he grew older.It was true that the world didn't make sense, but William helped him to understand. That was all that Mark needed, and the rest of the world could burn.
A/N: It's about Sinister growing older and then becoming Invincible, and his developing relationship with William. It's inspired by 'aDistraction2406' with their fanfiction 'Made For'.
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Ch 4
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Good Luck, Babe by xx_bystephaniemeyers
Fandoms: Invincible (Cartoon 2021), Invincible (Image Comics)
10 Aug 2025
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Mark and William have been best friends forever. And they've become closer than ever now that William has started working at Burger Mart with Mark the summer before their senior year. All this time together only makes Mark more confused about his and William's relationship.
How will William and Mark navigate their changing friendship? How will William deal with Mark grappling with his identity? Prepare to watch them unravel over the course of their senior year of high school.
Lots of angst. This is basically my version of if Mark was William's canon "straight" best friend that became something more because of their shared history and who Mark is as a person.