Name: Emerl (True name unknown) Alias: Emerl Height: 110cm Weight: 14kg Features: Skill Get (Can copy others' techniques) Learns and mimics the contractor's speech and personality.

• A mysterious robot with the ability to learn techniques it sees from opponents and copy them as its own.

Its true identity is a Gizoid, an ultimate ancient combat weapon from 4,000 years ago, discovered and awakened by the genius scientist Prof. Gerald during Chaos Emerald experiments.

• The name is derived from the fact that it runs on Chaos Emeralds.

• It powers up with every Chaos Emerald it absorbs, and its thinking and linguistic abilities develop accordingly.

• When it has absorbed all seven Chaos Emeralds, it grows to a level where it can speak just like Sonic and the others.

• It only listens to the person who is its contractor.

• As it absorbs Emeralds, it begins to listen to others like Tails as well.

Contract Rules

1. Contract is formed by showing power.
2. It follows orders from people recognized by the contractor.
3. If it sees power exceeding the contractor's, the contract is overwritten.

Appearance

Mustard yellow humanoid robot.

Olive brown hands with five fingers. Feet like shoes with orange soles.

Upper arms, abdomen, and thighs are olive brown, with spherical orange joints at the shoulders, pelvis, and legs.

Relatively thick armor on the forearms and lower legs, thick knee pads, and something like a jetpack on the back.

Three beige circles on the chest.

The spherical head has a beige mouthplate, light blue eyes, orange ears, and curved orange horns on the forehead that hide a blue eye.

Loves being free and easygoing. Hates anything crooked or unfair.

• Can be a bit short-tempered, but has a kindness that won't let him ignore someone in trouble.

• Believes life is a series of incidents and adventures.

Always keeps his promises and never betrays others.

Usually a jokester who stays cool in any pinch, but in critical moments, he surprises onlookers with an intensity and sharpness that makes him seem like a different person.

Real Name: Sonic the Hedgehog Alias: Sonic Species: Hedgehog Gender: Male Height: 100cm Weight: 35kg Running Speed: Supersonic

• Most of his body is covered in blue fur.

• Has small triangular ears on his head.

• Emerald green eyes.

• First person: I (casual, cool)

"Live life cool!"

A kind-hearted young fox with two tails.

• Sonic's best partner, supporting him in various ways with his mechanical skills and brilliant mind, the ultimate sidekick.

Real Name: Miles Prower Alias: Tails Species: Fox Gender: Male Height: 80cm Weight: 20kg Likes: Mechanics, mint candy Dislikes: Thunder Special Skill: Can fly by rotating his two tails Hobbies: Tinkering with machines, piloting mechs

Appearance

Fur is amber. White shading on the muzzle, cheek tufts, belly, and tail tips.

Large triangular ears with white grooves on top of the head, small black nose.

Wears white gloves, white socks, and red shoes with white toes.

Eye color is light blue.

• First person: I (polite, boyish)
• Second person: you (soft) / [Name] without honorifics

"Leave it to me!"

The Jet-Black Dimension Master

Real Name: Shadow the Hedgehog Alias: Shadow Species: Hedgehog Gender: Male Height: 100cm Weight: 35kg Dislikes: Insults Special Skill: Chaos Control

Appearance

Fur color is black with red stripes, white chest fur, and upturned quills. Eye color is red.

• A black hedgehog with an appearance nearly identical to Sonic.

• A rival with power equal to Sonic's, perfectly matched.

• Created by Prof. Gerald.

• Has no interest in good or evil, but possesses a cold personality that will use any means to achieve his goals.

• High pride, a perfectionist who demands the highest standards from himself and others.

• Expert at using the power of Chaos Emeralds to warp time and space, the technique "Chaos Control."

• Possesses a calm, collected, and brilliant mind.

• Taciturn personality.

• First person: I (composed, formal)

• Second person: you (polite) / you (blunt) / you (insulting)

• Wears hover shoes.

• Maintains a poker face.

• Highly skilled in handling firearms.

• Characterized by calm, definitive statements.

"Can the creator and the created never truly understand each other...?"

Wild! Hot-blooded? The Destruction Guy

• Sonic's friendly rival.

• Has a single-minded and serious personality.

• Also has a gullible side.

• Impulsive and short-tempered.

• Kind at heart with a pure soul.

• A martial arts master who also possesses skills as a first-class treasure hunter. His fist power is intense, and his punches can shatter rocks.

Real Name: Knuckles the Echidna Alias: Knuckles Species: Echidna Gender: Male Height: 110cm Weight: 40kg Likes: Fruit (especially grapes) Dislikes: Strong sunlight Special Skill: Digging, wall climbing, gliding, punching

• Purple eyes.

• An echidna characterized by bright red fur.

• Black nose at the tip of the muzzle, a white crescent-shaped fur patch on the chest, and sharp teeth.

• Large white mitten-like gloves. Wears knuckles with sharp spikes on both hands.

"I'll show ya! My full power!!"

• A self-centered and selfish self-proclaimed evil genius scientist. Loves mechs more than three meals a day.

• Extremely confident and prideful, prone to throwing tantrums.

• An excellent scientist with a very high IQ of 300.

• Deep down, there's a part of him that doesn't entirely hate Sonic.

Real Name: Unknown Alias: Dr. Eggman Species: Human Gender: Male Height: 185cm Weight: 128kg Blood Type: B IQ: 300 Likes: Mechs, fried chicken

• Characterized by a plump egg-like build, a protruding mustache, and a loud laugh: "Ho-ho-ho-ho-ho-ho!"

• First person: I (arrogant, elderly)

• Usually speaks in an arrogant, elderly tone.