Name: Synthia Rose Hedgehog
Species: Hedgehog
Parents: Sonic T. Hedgehog, Amelia (Amy) R. Hedgehog
Siblings: Steel J. Hedgehog
Abilities: Super speed, enhanced strength, balance and perception. Skilled pianist who can turn her music into sonic blasts, and is known to be afflicted with the Lycanthropy curse (see Sonic Unleashed). She can, like most Mobians, utilise the energies of the Chaos Emeralds to achieve a Super Form.
Known Forms: Were-Synthia, Sonic Synthia, Super Synthia, Dark Synthia, Fleetway Synthia
Catchphrase: doesn't have one


Synthia is a popular girl with a love for music and fashion. Best friends and band-mates with Ruby and Valkyrie, Synthia can often be found either in her room or with her friends practicing their music. She claims that her life is, quote, "the best it could ever be, except I'm single."

Synthia delights in teasing her younger brother Steel on his crush on Snow, knowing full well that his feelings are mutual.