Grace is the 3rd and last Ultimate Lifeform and is Jenna's sister and Shadow's half-sister. She is known as Project: Light.
Grace was created 50 years ago with Jenna by Kratos and Gemidi. She has always been protected by Jenna. She and Jenna has secretly send the G.U.N. to get rid of everybody. She has been send to Mobius to find Shadow by Jenna for 50 years sleep.
Grace is a sweetheart. She is innocent and sweet.
Grace is currently wearing a blue shirt, a green skirt and brown shoes.
- Gemidi the Hedgehog (Mother, deceased)
- Kratos the Hedgehog (Father, deceased)
- Emma the Hedgehog (Half-Sister, deceased)
- Shadow the Hedgehog (Half-Brother)
- Jenna the Hedgehog (Sister, deceased)
- Lizzy the Hedgehog (Cousin)
- Luna the Hedgehog
- Anul the Hedgehog
- Lanna the Hedgehog
- Larry the Hedgehog (Love Interest)
- Dr. Eggman
- Dark Gaia
- Grace is voiced by Abbie Cornish, who plays Sweet Pea in Suckerpunch