When was Sonic hedgehog created?

Related questions

1. What's Sonic the Hedgehog's middle name?
2. Is Tails from Sonic the Hedgehog a girl?
3. What was the first Sonic game?
4. Who is older Mario or Luigi?
5. Is Sonic the Hedgehog multiplayer?
6. Is Tail a boy or girl?
7. Who created Sonic the Hedgehog movie?
8. When did Sonic and the Black Knight come out?
9. Is Sonic going out of business?
10. How old is Sonic in Sonic 06?

Tags

1. #released
2. #artist
3. #original
4. #mascot
5. #creation
6. #credited
7. #rival
8. #programmer
9. #mario
10. #character
11. #individuals
12. #hedgehog
13. #ohshima
14. #generally
15. #while
16. #provide
17. #sonic
18. #naoto
19. #flagship
20. #nintendo