Knuckles (P+)

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 and. 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 from a third party universe, the third clone engine character overall, and the only newcomer to appear beyond the plans of Project M.

As a possible callback to Sonic media existing around the same time as Super Smash Bros. Brawl, James Snyder (frequently credited as ""), who started voicing the character in , reprises his role using re-purposed voice clips from Sonic games made between 2005 and 2010.

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

Taunts

 * 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

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

Victory poses

 * 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!"

Most historically significant players
See also: Category:Knuckles players (PM)
 * - Top level player with a Knuckles secondary, that is ranked 28th on the 2022 PMRank.
 * - Ranked 25th on the 2022 PMRank, being the highest ranking Knuckles player and the only solo Knuckles player ranked on it. His most impressive tournament result is placed 5th at.

Trophy
In Project+, Knuckles's trophy can be obtained by clearing and All-Star mode.

Alternate costumes

 * Green: An original color.
 * Blue: An original color.
 * Yellow: A reference to the thematic colors of Sandopolis Zone from Sonic & Knuckles.
 * Cyan: A reference to the thematic colors of Hydrocity Zone from Sonic the Hedgehog 3.
 * White: A reference to Mecha Knuckles, a robotic doppelganger from Sonic Advance.
 * Black: An original color.
 * Pink: A reference to his appearance in Sonic the Hedgehog 3.
 * Maroon: A reference to the Knuckles Clan, an Ancient Tribe of Echidnas that appeared in Sonic Adventure.
 * Purple: A reference to Espio the Chameleon.
 * Light Green: A reference to Vector the Crocodile.
 * Orange: A reference to Charmy Bee.
 * Jet Set Knuckles: A reference to Jet Set Radio, much like Jet Set Sonic. Based on Garam's outfit.
 * Jet Set Green. A reference to Yo-yo.
 * Jet Set Blue. A reference to the Poison Jam gang.
 * Jet Set Black: A reference to DJ Professor K.

Z-Secret Costume: Treasure Hunter Knuckles from Sonic Dash/Sonic Forces Speed Battle, featuring his hat from Sonic the Hedgehog: The Movie.

R-Secret Costume: Sonic Adventure 2 gear Knuckles

Trivia

 * 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.