Shadow The Hedgehog Syndrome 

When an a movie/game franchise attempts to appeal to an angsty teen audience by making their newest title as gritty and edgy as possible, even if it contrasts with the tone of the rest of the franchise. Generally, this poor attempt at being relevent rarely is successful.

Dude, did you see how edgy that new Venom movie is! It's pure Shadow The Hedgehog Syndrome!

Shadow The Hedgehog Syndrome by Polackis August 15, 2018

Shadow the Hedgehog 

a bitch ass motherfucker, he pissed on my fucking wife. That's right, he took his hedgehog fucking quill-y dick out and he pissed on my fucking wife and he said his dick was "THIS BIG" and I said "That's disgusting." so I'm making a call-out post on my Twitter dot com. Shadow the Hedgehog, you got a small dick, it's the size of a walnut except way smaller.

Person 1: Did you hear what happened with Shadow the Hedgehog?
Person 2: Yeah, he pissed on Eggman's wife didn't he?

Shadow the Hedgehog by egshgells June 5, 2019

Shadow the Hedgehog 

The coolest character in gaming history. He often swears (d*mn) and uses g*ns. He is very cool and edgy and I want to be just like him when I grow up. My mum says he is a bad influence and that he doesn’t display Christian values, but I don’t care (don’t tell mum)

Cool person: Hey do you know Shadow the Hedgehog?
Uncool person: No, he sounds annoying
Shadow the hedgehog: Damn

Shadow the Hedgehog by xXCoolShadowPhoenixDragonXx May 6, 2020

Shadow the Hedgehog 

Shadow is a black hedgehog and rival to Sonic. He was created by Gerald Robotnik to be the Ultimate Life form. Shadow can use the chaos energy to shoot spears, teleport, freeze time, move very quickly or even explode. He wears 2 rings on his wrists that control his energy. If Shadow takes them off, his energy increases drastically. He can also use the 7 chaos emeralds to turn into Super Shadow.

Shadow : You never cease to surprise me blue hedgehog. I though that capsule you were in exploded in space.

Sonic : Well, what can I say? I die hard. You actually saved my, you know.

Shadow : It was a Chaos Emerald, wasn't it. But there's no way you could have activated the Chaos Control using an emerald that's fake. So, there's more to you than just looking like me. What are you, anyway?

Sonic : What you see is what you get, just a guy that loves adventure. I'm Sonic the Hedgehog!

Shadow : I see. But you know, I can't let you live. Your adventure days are coming to an end!

That's Shadow the Hedgehog for you.

Shadow the Hedgehog by TheBlueHedgehog October 26, 2015

Shadow the Hedgehog 

The dark, edgy, rival of Sonic, who uses guns and curses every 4 seconds

Eggman: "Shadow the Hedgehog! Hey everybody, look! Shadow' shere!"
Random Villain: "Who's he?"
Eggman: "He's only the second most popular character in the whole canon!"

Shadow the Hedgehog by Kevin Anthony February 10, 2018

Shadow the Hedgehog 

The most sexiest character of all the Sonic franchise

Look how sexy Shadow the Hedgehog is

Shadow the Hedgehog by Sweetndeadlykal January 16, 2020

Shadow The Hedgehog 

A horribly misinterpreted and misrepresented Sonic character that Sega loves to hate.

Shadow debuted in Sonic Adventure 2 for the Sega Genesis and Nintendo Gamecube as the Ultimate Lifeform created 50+ years ago by Dr. Eggman's grandfather, Professor Gerald Robotnik on the Space Colony ARK. Though Shadow was designed to be a living weapon, his more secretive and primary purpose was to save the life of Professor Gerald's granddaughter, Maria, who was diagnosed with a very rare and life threatening disease. He never got to fulfill his purpose as G.U.N. suddenly shut down Project Shadow, and Maria was killed in the midst.

Despite his stoic and quiet front, Shadow is a very compassionate and lonely character. He's not an anti-hero or villain, but an ally who rivals Sonic's speed and skills. Rouge and Omega are his friends; he respects Sonic as an equal, if not a superior.

Unfortunately, with Sonic '06's massive failure, Sega decided to dumb down all of their characters and stories, and Shadow took the brunt of it, being shoved to the side and reduced to the joke his titular game presented him to be; a dark, angsty, over-the-top edge-lord loner who's too good for friends and hates Sonic because... reasons???

Quotes
Shadow The Hedgehog: "My name is Shadow. I'm the world's Ultimate Lifeform. There's no time for games. Farewell!"
Sonic: "Shadow... who is he?"
-Sonic Adventure 2

Sonic: "Hey! That's..."
Shadow: "That blue hedgehog again of all places."
Sonic: "I found you! Faker!"
Shadow: "Faker!? I think you're the fake hedgehog around here. You're comparing yourself to me? HAH! You're not even good enough to be my fake!"
Sonic: "I'll make you eat those words!"
-Sonic Adventure 2

Rouge: "-Even your memories might not be real, you know?"
Shadow: "Even if my memories are not real, it's still me... Shadow. I will fulfill my promise to Maria. That's the only thing that matters to me now."
Sonic Adventure 2

Mephiles: "Why fight at all? Why choose the world that will persecute you later?"
Shadow: "If the world chooses to become my enemy... I'll fight as I always have!"
-Sonic '06

Shadow The Hedgehog by Exhausted_Artist March 8, 2021