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Name: Olivia

Status: Deceased/She and Cosmo sacrificed their lives to defeat the Metarex

Species: Human (Formally) later Half Human and Part Fox (Has two fox tails)

Age: 15-16

Friends: Knuckles, Chris, Amy, Willow, Olivia, Stella (Currently), Shadow (Currently), Rouge, Cheese, Cream, Big, Cosmo, Chuck, Vector, Espio, Charmy, Ella, Helen, Frances, Danny, Sonic, Arianna

Enemies: Eggman (Arch-Enemy), Shadow (Formally), Stella (Formally)

Personality: Kind, helpful, caring, smart, brave sometimes, protective, silly sometimes, serious sometimes, adventurous, curious sometimes and sometimes has the same personality as Tails

Appearance: Short brown hair with light green hair streaks, light green color eyes and wears a white long sleeve shirt underneath a light green overall dress, white tights, yellow ballet flats, a light green rose locket, an orange zip-up hoodie, an orange star hair clip, a dark blue headband and a yellow satchel.

Guardian of Spring Form: Her short brown hair becomes long green hair in high pigtails with yellow ribbons, light green color eyes and wears Cure Felice's outfit from Mahou Tsukai PreCure, a light green rose hair clip, a light green rose locket, light green rose earrings and a light green cloak.

Family: Tails (Adoptive Brother)

Others: Has spring powers.

Sounds like Kisa Sohma from Fruits Basket