Amystasia

Plot: The evil cat Dr. Eggman puts a hex on the royal Mobians, and young Amy Rose, Sally Acorn, and Cosmo the Seedrian disappears when their palace is overrun. Years later, Lady Windermere offers a reward for Amy, Sally, and Cosmo's return. Knuckles, Sonic, Tails, and Antoine D'Coollette, planning to pawn off a phony, hold auditions and choose 3 orphan girls with a remarkable resemblance to the missing princesses. They bring them to Paris for the reward, not knowing they're the real Amy, Sally, and Cosmo.

Cast

 * Anastasia Romanov/Anya - Amy Rose/Rosy (Sonic X)
 * Extras with Amy/Rosy: Sally Acorn/Patsy (Sonic the Hedgehog (SatAM)) and Cosmo the Seedrian/Molly (Sonic X)
 * Dimitri - Knuckles (Sonic X)
 * Extras with Knuckles: Sonic the Hedgehog and Miles "Tails" Prower (Sonic X)
 * Vladimir - Antoine D'Coollette (Sonic the Hedgehog (SatAM))
 * Pooka - Robespierre (Gay Purr-ee)
 * Rasputin - Dr. Eggman (Sonic X)
 * Bartok - Ray the Flying Squirrel (Sonic the Hedgehog)
 * Sophie - Bunnie Rabbot (Sonic the Hedgehog (SatAM))
 * The Dowager Empress Marie - Lady Windermere (Sonic Underground; as Sally, Amy, and Cosmo's grandmother)
 * Anastasia's Parents - Crash and Tawna Bandicoot (Crash Bandicoot; as Sally, Amy, and Cosmo's parents)
 * Comrade Phlegmenkoff - Miss Ruby (Sly Cooper)
 * Anastasia's Siblings - Faline (Bambi), Clarice (Rudolph the Red-Nosed Reindeer (Rankin Bass Version)), Jeanette Miller (Alvin and the Chipmunks), Anna (Frozen), and Rapunzel (Tangled; as Sally, Amy, and Cosmo's sisters)
 * Majordomo - Oracle of Delphius (Sonic Underground)
 * Bartok's Girlfriend - Honey the Cat (Sonic the Hedgehog)

Chapters

 * The Curse of the Mobians
 * A Rumor in Saint Petersburg (Amy Version)
 * Journey to the Past (Amy Version)
 * Once Upon a December (Amy Version)
 * Amy meets Knuckles and Antoine
 * In the Dark of the Night (Dr. Eggman Version)
 * The Train Ride (Amy Version)
 * You Can Learn To Do It (Amy, Knuckles, and Antoine Version)
 * Dance Lessons (Amy and Knuckles Version)
 * Amy's Dream Turns into a Nightmare
 * Paris Holds the Key (To Your Heart) (Bunnie Version)
 * Night at the Opera (Amy Version)
 * The Con Truth Revealed (Amy Version)
 * You Have to Know the Truth! (Amy Version)
 * Reunion (Amy Version)
 * Knuckles declines the Reward Money (Version)
 * Amy's Realization from Lady Windermere
 * The Final Battle with Dr. Eggman
 * Amy elopes with Knuckles