1. (Y/N) was once a member of The White Fang but left when he was seven due to wanting Freedom.

2. (Y/N) met Lilac by chance when shortly after leaving Amy at Miracle Lake.

3. (Y/N) wants true harmony and to do that, he lets his enemies live.

4. (Y/N) was cautious around Amy when they first met due to her last name being Rose and it reminded (Y/N) of his abusive adoptive mother and sister.

5. (Y/N) was the middle child of the Rose/Xiao-Long/Branwen Family.

6. Raven doesn't know that (Y/N) is always stopping her tribe, she only knows him by his nickname: Sonic.

7. When (Y/N) first met Knuckles, he had a brief flashback of Yang punching him.

8. (Y/N) came up with the nickname Sonic to hide from his old family.

9. (Y/N) is scared of water because it reminds him of the torture Raven did to him as a young hedgehog.

10. (Y/N) and Gadget became best friends after the war but the two kept in touch.

11. When (Y/N) first met Gadget, he had a flashback of himself being afraid. 

12. (Y/N) met Blake when he was six years old and the two became good friends but lost touch after he left The White Fang, Blake misses him so much because she has a crush on him.