Board Thread:Speculation, Theories, and Rumors/@comment-24893759-20150221024726/@comment-28217680-20160821165603

Here's my voice casting ideas:

1. Patton Oswalt as Sonic the Hedgehog/Sonic the Werehog/Supersonic and Metal Sonic (voices, since Remy's voice in Ratatouille)

2. Ben Stiller as Knuckles the Echidna/Super Knuckles and Metal Knuckles (voices, since Alex the Lion's voice in Madagascar, Madagascar Escape 2 Africa and Madagascar 3: Europe's Most Wanted)

3. Katie Leigh as Miles "Tails" Prower (voice, since Muddlefoot's voice in Darkwing Duck)

4. Jason Marsden as Shadow the Hedgehog/Super Shadow and Metal Shadow (voices, since Kovu's voice in The Lion King II: Simba's Pride)

5. Jennifer Hale as Amy Rose and Metal Amy (voices, since Mandy's voice in Totally Spies!)

6. Andrea Libman as Cream the Rabbit and Metal Cream (voices, since her voice work in My Little Pony: Friendship is Magic)

7. Adam Young as Silver the Hedgehog/Super Silver and Metal Silver (voices)

8. Penelope Cruz as Blaze the Cat/Burning Blaze and Metal Blaze (voices)

9. John Goodman as Vector the Crocodile and Metal Vector (voices, since the T-Rex's voice in We're Back: A Dinosaur's Story)

10. Matthew Fox as Espio the Chameleon and Metal Espio (voices)

11. Russi Taylor as Charmy Bee and Metal Charmy (voices, since her voice work in The Simpsons franchise)

12. Sandra Bullock as Rouge the Bat and Metal Rouge (voices)

13. Frank Welker as E-123 Omega (robotic voice)

14. Mr. T as E-102 Gamma (robotic voice)

15. Kath Soucie as Sally Acorn and Metal Sally (voices)

16. Cheech Marin as Manic the Hedgehog and Metal Manic (voices)

17. Bindi Irwin as Marine the Raccoon and Metal Marine (voices)

18. Greg Cipes as Jet the Hawk and Metal Jet (voices)

19. Demi Lovato as Wave the Swallow and Metal Wave (voices)

20. Jess Harnell as Storm the Albatross (voice)

21. Selena Gomez as Mina Mongoose (voice)

22. Nika Futterman as Sticks the Badger (voice)

23. Mike Pollock as Ella, Dr. Eggman and Gerald Robotnik (voices)

24. Suzanne Goldish as Chris Thorndyke (voice)

25. Rachael Lillis as Danny Jefferson, Maria Robotnik (in flashback memories) and Maria the Hedgehog (re-incarnation) (voices)