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Knuckles (P+)

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in Project+
Project + Knuckles.png
PPlus Knuckles Jet Set.png
PPlus Knuckles Treasure Hunter.png

Universe Sonic the Hedgehog
Alternate costume Jet Set Radio, Treasure Hunter

Knuckles is a playable character in the Brawl mod Project+. He was revealed on March 17th, 2020 and was made available in P+ 2.0, which released on the same day. Knuckles is one of the three characters that were not originally playable in Brawl, with the other two being Mewtwo and Roy. Unlike Mewtwo and Roy, Knuckles is a brand new character rather than a Smash veteran.

One of few characters originally planned for Project M, all plans came to a halt after Project M ceased its own development following version 3.6. Knuckles is the first clone engine character to hail from a third party universe, the third clone engine character overall (built using Sonic as a base), and the only newcomer to appear beyond the plans of Project M.

Dan Green, Knuckle's voice actor between 2003-2010, voices the character in Project+, with his portrayals being re-purposed from various Sonic the Hedgehog media existing around the same time as Super Smash Bros. Brawl, beginning from Sonic X to Sonic and Sega All-Stars Racing.

Knuckles ranks 10th out of 42 characters in the official Project+ tier list, at the top of the A tier, making him a high tier character.



Name Damage Description
Neutral attack 3% Two punches, followed by a neutral infinite.
1% (loop)
Forward tilt 12% A forward punch that can be angled.
Up tilt 11% An uppercut that sends opponents upwards. Similar to Knuckles' unused Uppercut attack from Sonic Adventure.
Down tilt 10% A sweeping punch that sends opponents upwards. Has a sweetspot at the tip of his knuckles.
Dash attack 12% Performs a running donkey kick from Sonic the Fighters, similar to Sonic's F Tilt.
Forward smash Deep Impact 12% (fist), 19% (explosion) A charged punch forwards. A small explosion appears in front of his fist; this is the sweetspot of the move. Taken directly from Sonic Battle.
Up smash Rising Super Uppercut 17% An uppercut engulfed in flames. Taken directly from Sonic Advance.
Down smash Meteor Eruption 12%, 1% (charging hitbox) Knuckles spins into the ground, then launches out to hit opponents. If done on a soft platform while holding down on the control stick, and charged for too long, Knuckles will fall through the platform. Has a hitbox on the ball while charging. Based off the attack from Sonic Battle.
Neutral aerial 12% (clean), 8% (late) A sex kick.
Forward aerial 13% (early), 15% (late) A downward, fist enlarging punch that functions similarly to Mario's, having a horizontal knockback angle on the early hit and having a meteor smash hitbox on the late hitbox.
Back aerial 15% (early), 8% (late) Jabs behind himself with his elbow. Based off his Quick Reverse Back Attack from Sonic Advance 2. Has sex kick properties.
Up aerial 11% A headbutt attack from Sonic the Fighters that acts similarly to Donkey Kong's.
Down aerial Meteor Punch 11% Punches downwards with both of his fists, taken directly from Sonic Battle. Has a meteor smash effect.
Grab - Knuckles reaches out with his left hand.
Pummel 3% Punches with his right hand.
Forward throw 6% (hit 1), 10% (throw) Headbutts the opponent.
Back throw 10% Spins his opponent round in a circular motion and throws them.
Up throw 2% (hit 1), 10% (throw) Knuckles jumps into the air with his opponent and slams them into the ground. Similar to Volcanic Dunk from Sonic Heroes.
Down throw 1% (hits 1-4), 10% (throw) Rapidly punches his opponent downward. Similar to his digging animation.
Floor attack (front)
Floor attack (back) 6%
Floor attack (trip) 5%
Edge attack (fast) 8%
Edge attack (slow) 11%
Neutral special Dig/Drill Claw 20% (Grounded uppercut, clean), 11% (Grounded uppcercut, late)
1% (aerial)
Grounded: Knuckles will dig into the ground for some frames, then enter it. The player can move underground for a short time, which can be extended by holding down the B button, before unearthing with an uppercut, akin to his introduction in Sonic the Hedgehog 3. Can be used to become totally invincible, as well as get around projectiles. The uppercut has a sourspot on the late hit.
Aerial: Based off of the Drill Claw move in Sonic Adventure 2. Knuckles will spiral downwards in a stall-then-fall move. If the B button is held down while landing, he will dig into the ground. From there, it functions like the grounded version.
Side special Diving Punch/Glide 16%, 5% (landing hitbox) Grounded: Knuckles jumps up and performs a diving punch, similar to the Stone Breaker Punch from Sonic the Hedgehog (2006).
Aerial: Glides around the air, can cling to and climb up and down walls. If the opponent interrupts your glide or if you press Z while gliding, Knuckles will perform an Aerial version of the Diving Punch instead of the Glide. The glide can be directly cancelled into aerials.
Up special Spring Jump 4% (spring) Bounces into the air off of a yellow spring. Compared to Sonic's version of the move, Knuckles does not go as high, as yellow springs in the Sonic series give you less height than red springs, giving it weaker potential as both a recovery option and method of gaining height for juggling. It also has an upwards launch angle on the spring projectile, giving it much better combo potential. Otherwise, the same as Sonic's.
Down special Spin Charge 7-10% (dash), 8% (jump) Functions in a similar manner to Sonic's own version of the move, except Knuckles' does more damage at the cost of speed and lacks a charging hitbox
Final Smash Super Knuckles 18% (startup), 16% (ram) Transforms into Super Knuckles using the Chaos Emeralds. Functions almost identically to Super Sonic.


Data.png This article or section may require additional technical data.
The editor who added this tag elaborates: Needs jump heights
You can discuss this issue on the talk page or edit this page to improve it.
Stats Weight Dash speed Walk speed Traction Air friction Air speed Air acceleration Gravity Falling speed Jumpsquat Jump Height Double jump Height
Value 90 1.7 – Initial dash
2.1 – Run
1.05 0.07 0.01 0.9 0.045 – Base
0.01 – Additional
0.14 2.2 – Base
5 ? - Base
? - Short hop


Knuckles Side Taunt in Project+.
  • Up taunt: Crosses his arms together and chuckles, much like his animation in Sonic the Hedgehog 3.
  • Side taunt: Punches towards the screen, then ends in a fighting pose saying, "Bring it on!". Taken from his gold victory animation in Sonic Advance 3.
  • Down taunt: Knuckles does push-ups for as long as the taunt button is held. Taken from his idle animation in Sonic Advance 3.

Idle poses[edit]

  • Winds up his elbow.
  • Smacks his fists together.

Victory poses[edit]

  • Punches wildly while shouting, "Bring it on! I'll take 'em all down!"
  • Burrows underground to the front and comes out doing an uppercut. He finishes with his back facing the camera while looking towards the screen and grinning, saying, "No contest!"
  • Jumps on scene with a ground punch and flips forward ending with a fist pump, excitedly shouting, "All right!"

In competitive play[edit]

Most historically significant players[edit]

See also: Category:Knuckles players (PM)

Role in The Subspace Emissary[edit]

Knuckles is automatically unlocked after finishing the main story.


Knuckles's trophy can be obtained by clearing Classic Mode and All-Star mode.

Classic Mode trophy
Knuckles the Echidna
A powerful red echidna also known by his full name, Knuckles the Echidna. Knuckles resides on Angel Island, where he guards the Master Emerald. Both friend and rival of Sonic, Knuckles is a martial-arts expert who can break through rocks with his spiked fists. In addition, he can climb walls and use the wind to glide through the air.

Alternate costumes[edit]

Similar to Sonic in P+, Knuckles has colored fur to help identify him in team battles. His blue costume is intended to be a reference to Hydrocity Zone from Sonic the Hedgehog 3. His white costume references Mecha Knuckles, from Sonic Advance. The Maroon color resembles the Knuckles Clan appearance in Sonic Adventure. Knuckles also has three semi-alts resembling Espio, Vector, and Charmy, the members of Team Chaotix which also function as secondary team colors. Similar to Sonic, Knuckles has a Jet Set costume with his being based on Garam's outfit. His Jet Set colors resemble, Yo-yo, the Poison Jam gang, DJ Professor K, and Slate. His Treasure Hunter Knuckles costume is a reference to the costume from Sonic Dash/Sonic Forces Speed Battle, and also includes his hat from Sonic the Hedgehog: The Movie. The last treasure Hunter Knuckles costume resembles his classic pink fur appeareance.

Knuckles' alternate costumes in P+

Secret costumes:

Knuckles Z P+.png Knuckles R P+.png

Z-Secret Costume: Metal Knuckles from Sonic R and Sonic Superstars

R-Secret Costume: Sonic Adventure 2 gear Knuckles


Knuckles' congratulations screen in Project+
  • Similar to Mewtwo and Roy, anything that would normally be exclusive to Knuckles (namely, trophies, Congratulations video and a codec conversation) reuses that of Sonic's. However, he has his own congratulations screen.
    • Clearing Classic and All-Star mode with Knuckles grants the player the Knuckles trophy in Project+.
    • When accessing replays in Brawl, Knuckles shows up as an iconless character under the name "Headrobo".
  • Knuckles is currently the only character in Project+ to not be playable in an official Smash game, though he has appeared since Brawl in several non-playable roles.