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Sonuckles is the slash ship between Sonic and Knuckles from the Sonic the Hedgehog fandom.



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The two of them were initially enemies in Sonic the Hedgehog 3 due to Eggman’s trickery, but after Knuckles realized the truth, he and Sonic came to have a more friendly relationship. Despite this, Knuckles still held an inhospitable attitude towards Sonic, due to their different points of view and natures.

Over time, Knuckles’ relationship with Sonic has improved and he has come to see Sonic as both a rival and one of his best friends, helping each other in many situations. Since Sonic Heroes, the two have been members of Team Sonic along with Tails, although the three were already something of a team in Sonic Adventure 2.

Sonic and the Secret Rings

  • In the world of the Arabian Nights, Sonic meets Knuckles’ doppelgänger when he came to save Sinbad from the pirates who captured him. While having no idea that Sinbad is the doppelgänger of Knuckles until after he comes across the caged sailor.
  • After Sonic and Shahra found a way to free Sinbad from the cage, he tells Sonic how he can fight Ifrit. Even though the two did but heads with one another until Ali Baba got them to stop glaring daggers at each other.
  • In the comic adaptation, Sonic tells Shahra who he confused Sinbad for, along with sharing a few things about Knuckles.
  • At the end of the game, Sinbad aids Sonic on his next journey to find his way back to his home world, along with ensuring that the Erazor Djinn is never freed from his lamp again.

Sonic and the Black Knight

    • When Sonic encountered Knuckles’ doppelgänger from the world of Camelot, the hedgehog comments that Sir Gawain is just like Knuckles.
    • After being defeated by Sonic, Gawain tries to attempt suicide for failing his King, but Sonic stops him from doing so.
    • To save Camelot from Merlina, Sonic gives Gawain back his sacred sword, Galatine.


Sonic the Hedgehog (OVA)

Sonic and Knuckles are best friends, with the echidna explicitly stating their relationship to the President while he tried to contact Sonic or Tails explaining the situation with Hyper Metal Sonic.

At one point, Sonic steps Knuckles on his head while fighting Hyper Metal Sonic. After Metal perished, and the other characters receiving their happy ending, Knuckles hits Sonic at the head as payback. The hedgehog chases the echidna demanding an explanation.

Sonic X

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Sonic Underground

In “Friend or Foe?”, Sonic and his siblings Sonia and Manic, in their search for their mother, traveled to the Floating Island, being told by the oracle to “beware the echidna”. They reached a sacred pool and unknowingly activated it. Knuckles confronted the trio and called them hedgehog thieves. Sonic said that he didn't expect a welcome like this, and replied that the hedgehogs are thieves in a way. Knuckles spun his arms, creating a wind that pushed Sonic to a tree, then dug pit traps prepared for the hedgehogs. Sonia tried reasoning with Knuckles to no avail. After a short fight with Sonic, Knuckles activated the pit traps, pulling the hedgehogs down. Sonic escaped easily though, later he dodges Knuckles’ attacks and allows himself to be chased by him. The chase ends near some rocky bridges on the island, in which Knuckles breaks one of them with the intent of Sonic falling down to earth, however with his super-speed Sonic was able to catch up to him. The ground around Sonic began to shake, tipping Knuckles close to falling from the island’s edge. After a quick banter, Knuckles fell off the edge, but Sonic saved him, who asked why would Sonic do that. Knuckles was tricked into thinking that the hedgehogs were his enemies, although he eventually found out the truth. Knowing that Sleet and Dingo would steal the island’s Chaos Emerald, Knuckles activates a nearby pool confirming the duo’s plan. Knuckles, Sonic, and his siblings were able to catch up to them. With their musical help, Knuckles was able to destroy as many Swatbots and drive the duo away while Sonic recovered the Chaos Emerald. Later that night, Knuckles treated the hedgehogs to krupnik and asked their purpose for coming to the island. When Manic replied that they were searching for their mother, Knuckles told them the fact that he has met their mother when he was young.

Following a long battle with Dr. Robotnik over the Chaos Emerald, Knuckles allows Sonic and his siblings to stay on the Floating Island if they ever need a break.

Sonic Boom

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Sonic and Knuckles are teammates, despite them being complete opposites: Knuckles’ kindly personality contrasts with Sonic’s snarky attitude. Knuckles considers Sonic his friend and is very loyal towards him. While though the two of them are always disagreeing with each other, they still share a mutual bond of respect.

Overall, they are the truest of friends, referring to each other as “bros”.

Sonic Mania Adventures

Despite not interacting with each other directly in the series, Knuckles blames Sonic for stealing the Master Emerald when Eggman used the Tornado. After Knuckles punches Metal out of the lair, the echidna calmly left with the Emerald, not paying attention to Sonic and his friends.

Live Action Film

Sonic the Hedgehog Movie 2 [2022]

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Played at the final stage of Arcade Mode (or if you choose both of them in VS. Mode) of Sonic the Fighters


Pairing Sonic & Knuckles has some following. Fans laud their enemies-to-friends and rivals development. It is not the most popular slash ship, due to Sonadow’s mainstream popularity in the fandom. Those who do ship the two want to combine Sonic’s super-speed and Knuckles’ fighting skills. Some rather ship the two as friends, or team up with Tails to form Team Sonic. Other rival ships include Sontails and Knuxadow.

The Sonic Boom version of Sonuckles did gain some fan-following due to Sonic and Knuckles’ close relationship in the show. A notable artist who made Boom!Sonuckles fan art is storfulsten.



Knuckles/Sonic tag on AO3
Sonic/Knuckles (games) tag on FanFiction.Net
Sonic the Werehog/Knuckles on FanFiction.Net
Sonic/Knuckles (Sonic Boom) tag on FanFiction.Net
Knuxonic stories on Wattpad
Sonuckles stories on Wattpad


sonknux tag on DeviantArt
knuxonic tag on DeviantArt
sonuckles tag on DeviantArt
sonicxknuckles tag on DeviantArt
knucklesxsonic tag on DeviantArt
Knuckles-x-Sonic fanclub on DeviantArt
SonicXKnucklesClub fanclub on DeviantArt


sonuckles hashtag on Instagram


sonknux tag on Tumblr
knuxonic tag on Tumblr
sonuckles tag on Tumblr
sonicxknuckles tag on Tumblr


sonknux hashtag on Twitter
knuxonic hashtag on Twitter
sonuckless hashtag on Twitter
sonicxknuckles hashtag on Twitter
knucklesxsonic hashtag on Twitter


Fighting Buddies

  • When Sonic and Knuckles are paired up in Sonic Advance 3, the duo is known as Fighting Buddies. It is one of the four pairs with special names and the only one featuring Knuckles.

Concept Art

Knuckles hiding his feelings for Sonic

According to The Making of “Sonic 3 & Knuckles“:

  • “One of the biggest challenges for the art team was to come up with a fitting design for a new character. The design [of Knuckles] stemmed from the desire to make him contrast Sonic. For example, his white crescent on his chest symbolized the moon, while Sonic’s round belly symbolized the sun.”
  • In the original Japanese of Memories Of The Wind Rouge says to Knuckles “When I see you staring at the moon every night, waiting for Sonic to return, it makes me sad too!” Knuckles lies and says “Don’t be silly! I’m not staring at the moon and thinking about him!” Knuckles can be seen blushing whilst saying this, indicating he is hiding his feelings for Sonic.

Knuckles waiting for Sonic to return

  • After Rouge left Knuckles, Knuckles looked up at the moon and waited for Sonic to come back. Knuckles went from confidence to impatience to concern when Sonic did not return for hours throughout the story. This could possibly be a reference to the Japanese version of one of the scenes from Memories Of The Wind in Sonic X.


Main article: Sonuckles/Gallery


Sonknuxadow refers to the ship between Sonic, Knuckles, and Shadow the Hedgehog
Sonknuxally refers to the ship between Sonic, Knuckles and Sally Acorn
Sonknuxamy refers to the ship between Sonic, Knuckles and Amy Rose
Sonknuxangle refers to the ship between Sonic, Knuckles and Tangle the Lemur
Sonknuxaze refers to the ship between Sonic, Knuckles and Blaze the Cat
Sonknuxeam refers to the ship between Sonic, Knuckles and Cream the Rabbit
Sonknuxouge refers to the ship between Sonic, Knuckles and Rouge the Bat
Team Sonic refers to the ship between Sonic, Knuckles and Miles "Tails" Prower


Sonic the Hedgehog Logo.png
Sonic the Hedgehog ShipsSonic the Hedgehog Characters
SHIPS het BartoniaBuntoineChaffronChareamEspadeEspicoleEspikalEspioniaInfinisperJetaveJooeyJuleenaKhanallyKnuxamyKnuxaraKnuxerciKnuxikalKnuxoniaKnuxougeKnuxulieManamyManinaMarinicMinashSallailsShadallyShadamyShadariaShadarineShadazeShadDashShadeamShadikalShadoniaShadougeShadsticksSilvamySilvazeSilvisperSonallySonamySonazeSonDashSoneenaSoneezieSoneliseSonerciSonicksSonikalSonionaSonisperSonminaSonougeTailamyTailarbyTailazeTailerciTailinaTailionaTailougeTailrineTailscoTailseyTailsmoTaireamVectamyVectilla
slash ManourgeMephadowMonoSonicShadilverShadpioSonadowSonectorSoneggmanSonilverSonKaiSonMarioSontailsSonucklesVecpio
femslash AmooeyAmreamBlazamyBlazeamBunallyCosmooeyFionicMareamPeachamyPercamyRougamyRoupazSalamySallicoleSticmySurgeamyTangazeWhispangle
non-binary MetadowMetailsMetamyMetonicOmegadowRookiniteShardicoleTikaos
poly SconadilverSonSalAmy
family Sonic UndergroundVanilleam
friend Diamond CuttersSoneamTeam BoomTeam ChaotixTeam DarkTeam RoseTeam Sonic
cargo KnuxmeraldSonChili
CHARACTERS male Espio the ChameleonKnuckles the EchidnaMiles "Tails" ProwerShadow the HedgehogSilver the HedgehogSonic the Hedgehog
female Amy RoseBlaze the CatCream the RabbitPerciRouge the BatSally AcornSonia the HedgehogTikalZooey