The Great Mobian Detective

Cast

Basil of Baker Street: Sonic the Hedgehog (Sonic the Hedgehog franchise)

Extras with Sonic: Knuckles the Echidna, Silver the Hedgehog, Blaze the Cat, Charmy Bee, Espio the Chameleon, Vector the Crocodile, Shadow the Hedgehog, Rouge the Bat, E-123 Omega, and Max the Wolf (Sonic the Hedgehog franchise)

Dr. David Q. Dawson: Miles "Tails" Prower (Sonic the Hedgehog franchise)

Extras with Tails: Tikal, Big the Cat, Froggy, Cream the Rabbit, Cheese the Chao, and Kayla the Wolf (Sonic the Hedgehog franchise)

Olivia Flaversham: Mei and Satsuki Kusakabe (My Neighbor Totoro; With Satsuki wearing the sundress on the day Mei got lost)

Olivia's boyfriend: Kanta Ogaki (My Neighbor Totoro)

Basil's wife: Amy Rose (Sonic the Hedgehog franchise)

Toby: Toto (Tom and Jerry and the Wizard of Oz)

Professor Ratigan: Myotismon (Digimon; With his monster form Malomyotismon)

Extras with Myotismon: Hunter J (Pokemon), Vanitas (Kingdom Hearts: Birth by Sleep), Mephiles the Dark (Sonic the Hedgehog '06), and Infinite (Sonic Forces)

Fidget: The Gangreen Gang (The Powerpuff Girls (1998)) and the Dazzlings (My Little Pony: Equestria Girls; They can turn good after being double-crossed by Myotismon's group and their men)

Extra with the Gangreen Gang and Dazzlings: Demidevimon (Digimon; He'll be the Fidget who is thrown overboard at the end)

Mrs. Judson: Cosmo the Seedrian (Sonic X), Spike, Ember (My Little Pony: Friendship is Magic), the Mane Seven, and the Stallion Seven (My Little Pony: Equestria Girls; These guys'll join the adventure)

Extra with Cosmo: Daisy Duck (Disney; She can stay behind)

Queen Moustoria: Queen Elinor (Brave)

Hiram Flaversham: Tatsuo and Yasuko Kusakabe (My Neighbor Totoro)

Miss Kitty Mouse: Jessica Rabbit (Who Framed Roger Rabbit)

Miss Kitty's sisters: Mimi Tachikawa (Digimon) and Miss Nurse (Animaniacs)

Ratigan's thugs: Stays the same

Bartholomew: Stays the same

Felicia: Lucifer (Cinderella (1950))

Barmaid: Stays the same

Bartender: Stays the same

Lady Mouse: Princess Oriana (Felix the Cat the Movie)

Chapters

Chapter 1: Opening/Tatsuo and Yasuko Kidnapped

Chapter 2: Tails' Group Finds Mei and Satsuki/Meeting Sonic's Group

Chapter 3: Myotismon's Group's Plot/The World's Greatest Criminal Minds

Chapter 4: The Case is On/Getting Toto's Help

Chapter 5: Toy Store Investigation/Mei, Satsuki, Amy, and Cosmo Captured

Chapter 6: Somewhere Out There/Myotismon's Group's Plan Against Sonic's Group

Chapter 7: Observation/Let Me Be Good to You

Chapter 8: At the Lair/Captured and Escape

Chapter 9: Saving Elinor, Cosmo, Tatsuo, and Yasuko/Myotismon's Group's Plot Exposed

Chapter 10: Air Chase/Final Battle on Top of Big Ben

Chapter 11: Case Solved Aftermath/Ending