Sonic Nitro

 is an American action comic book series based on Sega's Sonic the Hedgehog video game franchise, published by IDW Publishing.

Synopsis
Set in a world where Doctor Eggman has conquered the world, a brave yet occasionally reckless hedgehog known as Sonic joins the Freedom Fighters to take down Eggman and other threats.

Main

 * The Freedom Fighters. A group of heroic Mobians who oppose Eggman's empire, consisting of:
 * Sonic the Hedgehog - A brave blue hedgehog who can run in superhuman speeds as he becomes a member of the Freedom Fighters in a race to stop Eggman.
 * Miles "Tails" Prower - Sonic's best friend, and a young twin-tailed fox who can fly by spinning his Tails, and is a mechanical genius, having built several tools for the Freedom Fighters.
 * Sally Acorn - A serious, but kind-hearted female chipmunk who is the leader of the Freedom Fighters, Sonic's love interest, and Tails's caring adoptive sister who is a skilled fighter and scientific genius. Along with use of high-tech (including energy boots which allow her to match Sonic's speed, and Ring Blades attached to her arms), Sally also possesses a Chaos Gem in her necklace which allows her to create astral projections.
 * Amy Rose - Sonic's cousin, and a pink hedgehog who wields a red and gold hammer pulsing with Chaos energy. She has a slightly obsessive crush on several people including Knuckles and Shadow.
 * Knuckles the Echidna - A short-tempered, yet noble red echidna with superhuman strength and spiked fists. He is the guardian of the Master Emerald in Angel Island as he befriends Sonic and surprisingly joins the Freedom Fighters.
 * Bunnie the Rabbit/Bunny Rabbot - A goofy, but friendly rabbit who has been partially roboticized by Robotnik as she joins the Freedom Fighters, heading to fight against his androids.
 * Antoine D'Coolette - A rather cocky coyote swordsman who has trained under an ancient order of knights known as the Gilded Blades as he soon joins the Freedom Fighters having both a friendly rivalry with Sonic and a crush on Bunnie.
 * Nicole the Holo-Lynx - Sally's A.I. assistant, best friend and surrogate sister. Initially a artificial intelligence entity without any form, Nicole evolves thanks to the energies of a Chaos Ring, allowimg her to take on the physical form of a Mobian female lynx.
 * Rotor the Walrus - TBD

Supporting

 * Cream the Rabbit - A young and friendly rabbit who can communicate with Chao. She is Bunnie's younger sister, Amy's best friend, a fan of the Freedom Fighters, and has a crush on Tails.
 * Cheese the Chao - Cream's pet Chao and companion.
 * Vanilla the Rabbit - Bunnie's and Cream's mother.
 * Team Dark - A faction of rogues who rebel against Eggman's forces, and occasionally helps the Freedom Fighters. They consist of:
 * Shadow the Hedgehog - The all-serious leader of Team Dark, a red-stripped black hedgehog with Chaos energy powers, and the main result of Project Shadow created by Eggman's grandfather Professor Gerald Robotnik, initially clashing against Sonic due to being manipulated by Eggman, eventually learning of his manipulation and forming Team Dark.
 * Rouge the Bat - Shadow's closest partner and friend, and the second-in-command of Team Dark, she is a female bat who is fascinated with jewels.
 * Talon the Jackal - A former member of the Jackal Squad who went rogue during a mission to assault a Mobian ship carrying innocent people (including children). He eventually joined Team Dark as a means to earn his redemption.
 * E-123 Omega - A robot member of Team Dark who seeks revenge on his creator Eggman for deactivating and abandoning him, slowly gaining a love for non robotic life forms.
 * Hope Kintobor - A human child who was orphaned by androids working for Robotnik. She is good friends with the heroic Mobians, including the Freedom Fighters and Team Dark, especially Shadow (as Hope reminds him of his deceased friend Maria).

Antagonists

 * Doctor Ivo "Eggman" Robotnik - A villainous and menacing scientist who has taken over Mobius, developing robotic soldiers to enforce his tyrannical rule as he grows obsessed with destroying all resistance. He also dislikes being called "Eggman", which is a nickname which Sonic gave him to mock him.
 * Sage - TBD
 * Orbot and Cubot - TBD
 * The Deadly Six - A group of villainous Zeti (ancient aliens residing in the Lost Hex) who are territorial rivals with Eggman, but are also enemies to the Freedom Fighters. They consist of:
 * Zavok - The fearsome leader of the Deadly Six who is obsessed with power, and wants to conquer Mobius for himself.
 * Zenna - A fashion-savvy Zeti, and the only female member of the Deadly Six. She has a intense rivalry with the female Freedom Fighters, and obsesses about making them jealous.
 * Zazz - A hyperactive, but psychotic Zeti, and member of the Deadly Six, known for his love for violence and easy to have boredom.
 * Zor - A existentially nihilist Zeti, and the youngest member of the Deadly Six.
 * Master Zik - The founder and former leader of the Deadly Six, and the oldest of the Zeti.
 * Zomom - A obese and dim-witted Zeti with an eating disorder, and a member of the Deadly Six.
 * The Jackal Squad - An organization of jackals who are Mobius's most feared thieves, mercenaries and killers. Like the Deadly Six, the Squad members are enemies to both the Freedom Fighters and Eggman's forces. They consist of:
 * Infinite - Eggman's former henchman who defected against him after being subjected for an experiment involving the Phantom Ruby, a gemstone of chaotic power. Donning a mask to hide his scars (including his blinded right eye), Infinite formed and became the leader of the Jackal Squad.
 * TBD - TBD