Also The Lara-Su Chronicles by Ken Penders has a Not-Knuckles who wears the hat too, just so you know.

In Archie's Sonic the Hedgehog comics, Shadow gets a biological "brother" in the form of Eclipse the Darkling; He was made from Black Arms DNA and blood, much like Shadow himself.

Black Doom from Shadow the Hedgehog and Son Goku from Dragon Ball share the same voice actor, Sean Schemmel.

According to the Team Sonic Racing Twitter Takeover, Tails' favorite anime is My Hero Academia.Coincidentally, he has the same Japanese voice actor as a character from the anime, Minoru Mineta, being Ryō Hirohashi.

When assuming his crystalline form, Mephiles the Dark loses his elbows.

In Archie's Sonic the Hedgehog continuity, Sonic Man was the main character of a Breeze Media tokusatsu, where he lead a super sentai-like squad called the Sonic Man Heroes.

The design of Sonic the Hedgehog's trademark shoes is inspired by the boots Michael Jackson wore for the music video "Bad".The choice of color for Sonic's shoes came from Santa Claus, one of, if not, the most famous character known around the world.

In the early 90s, there were two different Sonic cartoons airing at the same time. One was dark and dramatic. The other was a hilarious comedy about chili dogs.And the same guy played Sonic in both shows. Isn't that wild?

In Archie's Sonic the Hedgehog comics, one particular Metal Sonic unit would find itself destroyed in the Sol Dimension. Much later, he would be rebuilt into Captain Metal.Captain Metal would eventually find his end from Burning Blaze, being reduced to a melted lump of metal.

On 11/15/21, Scourge the Hedgehog was revealed to return in the then-upcoming comic mini-series by RUSH! Comics, titled Scourge the Speed Demon, in association with Ken Penders. This comic was canceled four days later, due to backlash of RUSH!'s past works and beliefs.

Early concept art of Fang the Hunter shows him to have two tufts of hair sticking out of his head, which is obscured by his hat. Over the years, this small, then-unused detail has gradually made its way to comics, and now in the game Sonic Superstars.

The B cover to IDW's Sonic the Hedgehog #59 (done by Natalie Haines) is directly inspired by "The Fallen Angel" by Alexandre Cabanel, depicting the fallen angel Lucifer.

Sonic owns multiple Apple devices while Shadow owns an Android according to the Sonic Forces Twitter Takeover.This is in line with Shadow's character, as he prefers to have the ultimate tablet, while Sonic willingly settles with whatever simple device gets him by.

The Sonic the Hedgehog fandom has made the silent, unanimous agreement that "Sonadow" refers to the yaoi ship between Sonic and Shadow, while "Shadic" refers to all fanmade fusions of the two.Please know which is which to avoid running into the other unwittingly.

The red stripes across Shadow the Hedgehog's body are inspired by Kabuki makeup. These lines are used to indicate good people, with red stripes on one's face meaning justice.

The Sandblasters in Archie's Sonic the Hedgehog are all a reference to various Looney Tunes characters. Jack Rabbit, Shift the Wolf, and Jolt the Roadrunner resemble their counterparts, whereas Tex the Lizard and Avery the Bear are named after the series creator, Tex Avery.

Several fan characters belonging to Jennifer Hernandez (@/Jens_Drawings on Twitter, chibi-jen-hen on Deviantart) appear in IDW #3. From left to right (third pic), they are Jade the Cat, Emerald the Iguana, Crystal the Cat, Ruby Ringtail, and Sapphire Flutterby.

Throughout the Sonic the Hedgehog IDW comics, Amy often finds her tail wagging in excitement when she spots Sonic.

E-102 Gamma is the youngest playable character in the Sonic franchise. Their in-game story begins the very moment they are "born" and their story ends as they "die".

Despite being referred to as a weasel in his now-abandoned American name, Fang the Sniper/Nack the Weasel is actually a jerboa. Note his large ears, incredibly long tail, and big feet.

Male Sonic the Hedgehog characters are not allowed to wear pants. However, this has been circumvented by having characters wear full-body suits with shirts on top, or having characters' legs be colored to function as "pants".

In the Sonic Super Special Issue #10 story "A Tale of Two Hedgehogs", Sonic peers into Zonic the Zone Cop's office, where he sees many other versions of himself, including one based on Marvel's Spider-Man.

Superdimension Neptune VS Sega Hard Girls features the character Hatsumi Sega, an original character for this game that bares multiple similarities to Sonic. Note the prominent blue, red sneakers with white stripes, "ears" and gold ring bracelets.

Despite being a female, Percival goes by the title of "Sir". This is because the title is open to both genders. Normally, she would be referred to as "Ma'am" or "Dame", but she appears to have specifically requested to have been referred to as "Sir" when being knighted.