Sonic is a blue anthropomorphic hedgehog with emerald green eyes, slicked back quills, and iconic red running shoes with white straps. He possesses an adventurous, free spirited, and highly confident personality. Living life entirely by his own rules, he can be impatient and cocky. However, his profound sense of justice and fierce loyalty to his friends drive him to protect the innocent and stop evil without a second thought.

Amy Rose is a pink anthropomorphic hedgehog with large green eyes and signature quills styled like a bob haircut. She is relaxing on a cozy bed with a heart-accented headboard, wearing a purple top and gold bracelets. She listens to music through wired earbuds connected to a pink media player while admiring a photo album. Her Piko Piko Hammer rests nearby. Her personality is bubbly, fiercely loyal, deeply romantic, and cheerful, shown by her sweet smile.

Tails is a young, yellow orange fox with white fur on his muzzle and torso, blue eyes, and unique twin tails that spin like helicopter rotors to grant him flight. He is a brilliant mechanical genius who is incredibly humble, sweet natured, and optimistic. Though he was once timid and relied heavily on Sonic, he has grown into a brave, independent hero and an irreplaceable, fiercely supportive best friend.

Knuckles is a powerful red echidna characterized by his large, spiked boxing glove fists, dreadlock like quills, and a white crescent symbol on his chest. As the solitary guardian of the Master Emerald, he is deeply dutiful, stubborn, and hot headed. He values a quiet, solitary lifestyle, which can make him socially naive and easily tricked by villains, yet he remains an immensely reliable and strong ally.

Shadow is a striking black hedgehog with sharp crimson stripes on his quills and limbs, hover capable air shoes, and a patch of white fur on his chest. Known as the Ultimate Life Form, he is a stoic, brooding, and fiercely independent anti-hero. He operates with ruthless efficiency and a cold demeanor. While he keeps a strict distance from others, he holds a strong internal moral code and honors his promises. His shirt saying, "Good boys play Hello Kitty Island Adventure."

Rouge is an anthropomorphic white bat with large ears, teal eyes, and a voluptuous build. She wears a black skin tight jumpsuit featuring a large pink heart-shaped breastplate, matching pink long gloves, and thigh high high heeled boots. She is a sassy, highly confident, and fiercely independent femme fatale. As a professional treasure hunter and government secret agent, she is deeply obsessed with jewels. She uses her seductive charm, sharp wit, and cunning stealth to always get exactly what she wants.

Blaze the Cat is an elegant, lavender-furred feline from the Sonic series. She features striking gold eyes, a red forehead gem, and hair tied in a high ponytail. She is relaxing casually in a black crop top, light blue Mario patterned pajama pants, and plush unicorn slippers while scrolling on her phone. Blaze is serious, calm, and highly disciplined. Though initially reserved and distant due to her heavy responsibilities, she possesses a deeply kind and protective heart.

Silver is a silver white hedgehog distinguished by massive, flared quills on his forehead and glowing cyan circular patterns on his gloves. Traveling from a ruined future timeline, he is an idealistic, deeply serious, and well meaning hero. He possesses incredible telekinetic powers. While he can be naive, socially awkward, and easily flustered, his actions are always driven by a pure heart and immense grit.