Silver warned of a traitor among the Freedom Fighters whose betrayal ruined his timeline. That traitor is...!

SOINC: After trading barbs with Scourge Sonic decides that it is alot better to rule the planet than to save it.
TAILS: You know how Anakin Skywalker was supposed to be the Chosen One? ...Yeah.
SALLY: The Acorns are taking back the throne!
ROTOR: Having a sore back made him grouchy?
ANTONIE: It turns out Patch is actually the good Antinone, and that Antione was the evil one, but they both got switched and...
BUNNIE: She's wascally.
AMY: She did it for love.
MINA MONGOOSE: She's not just Yoko Ono...She's Bennedict Arnold!
DULCY: Her no good boy-friend tells her to do it so she does, being walked over again.
FIONA FOX: She switches back to being good but forgets what side she's on during a critical mission.
NICOLE: ADAM's Virus lay dorment in her this whole time...
HERSHEY: She threw a rock at a teammate at a critical point when she probably should have refrained from doing so.
ST.JOHN: He's not James Bond, he's a James Bond Villian!

SHADOW: Well...He's an angsty guy.
ROUGE: The Xorda bribe her with a planet completely made out of carbon...You know, a planet sized diamond.
BLAZE: Robotnik tells her Sonic is evil and Blaze pulls a Knuckles.
CREAM: The thrilling introduction of Cream into the STH Mythology!
BIG: It's always the quiet ones.
FROGG: It's always the queit one's...frog?
SILVER: He wanted to throw them off his trail before he betrayed them.

UNCLE CHUCK: Desperate to get his cool robot body back, he makes a deal with Dr. Robotnik...
JULES HEDGEHOG: Desperate to get his fleshy body back, he makes a deal with Dr. Finetevus...
BERNIE HEDGEHOG: Desperate to get some action, she begins a distance relationship with Snively...
MUTTSKI: "The greatest trick the devil ever pulled was making people believe he didn't exist."
ASMADEUS PROWLER: The revolution he had in mind wasn't about democracy...
MOMMA TAILS: Politics gave her a terrible thirst for power -- one that could never be quenched.
ELIAS ACORN: He did it for attention. (He's Sally's brother, if you've forgotten.)
MAX ACORN: He does it during an intense flash back to his "Zone of Silence" days, thinking he's turning into crystal.
MOBIE THE CAVE-BEAR: He goes on a mission with the FF and accidentally slips with important information, overheard by Robotnik. Whoopsies!

KNUCKLES: He decides that if his people should suffer, then the whole world should suffer.
JULIE-SUE: It turns out some Enerjak energy was left in Knuckles, and after a kiss, gets transfered to her.
VECTOR: Outraged by the cost of MP3 album download prices Vector takes his rage upon the world.
MIGHTY: It can't be Mighty. SEGA barely acknowledges him and if he dies in the comic he could be erased from history!
CHARMY: He's a psycho!
ESPIO: They never saw it coming.

DR ROBOTNIK: He said he wanted an alliance, but...
SNIVELY: He was an angry shipper who diddn't have his way. (Won't say which coupling he preferred to avoid relationship dicussion rules.)
M: The Freedom Fighters were hesitant to trust her request for asylum, but...
ADAM: They thought having an intelligent computer virus who betrayed his evil master would be nice, but...
IXIS NAGUS: He snarls a certain way and everybody is butterfly-effected into oblivion.
DRAGO: He swears he's changed his ways!
ROBOTNIK JR: He thought freedom was a "Big whoop!"
MAMA ROBOTNIK: Her existance betrayed all.

FEIST: Refused to give Chaos Emerald at critical point.
MONKEY KHAN: Done for editoral reasons so that they could have another full page drawing of Sonic screaming "KHAN!"
TOMMY TURTLE: Just because.
HORIZONT-AL: He wanted to march into a bold new era.
VERTI-CAL: He wanted to rise up in power.