Is Shadow and Sonic related?

Related questions

1. Is knuckles related to Sonic?
2. Is flash faster than Sonic?
3. Is Mobius a earth?
4. Why is it called house music?
5. What is Sonic music?
6. Who is Darkspine Sonic?
7. Who's faster flash or Sonic?
8. Who is stronger shadow or Sonic?
9. How old is Eggman from Sonic?
10. What's Sonic's real name?

Tags

1. #iizuka
2. #anthropomorphic
3. #black
4. #within
5. #professor
6. #antagonist
7. #fictional
8. #grandfather
9. #sonic
10. #adventure
11. #takashi
12. #series
13. #eggman
14. #shiro
15. #immortal
16. #created
17. #robotnik
18. #debuted
19. #shadow
20. #hedgehog
21. #universe
22. #maekawa
23. #installment
24. #franchise
25. #gerald
26. #doctor