Which Sonic Character Is It?

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Across
  1. 4. - He was created by Dr. Eggman's grandfather and is also Sonic arch-rival
  2. 5. - He's a red echidna who guards the Master Emerald
  3. 7. - He's Sonic's arch-enemy
  4. 9. - She's a rabbit and Amy's best friend
Down
  1. 1. - He's Sonic's sidekick and best friend
  2. 2. - She's the princess of the Sol Dimension
  3. 3. - She's a bat who also Shadow's best friend
  4. 6. - He's a blue hedgehog
  5. 8. - She's pink and Sonic's love interest