Why did Grayson become Nightwing?

Related questions

1. Can Harley Quinn die?
2. Why did Nightwing become Batman?
3. Who killed Robin from Batman?
4. Did Wonder Woman have a daughter?
5. Does Batman die in endgame?
6. How did Joker kill Batman?
7. Who killed Robin in Suicide Squad?
8. What is Rita in Titans?
9. Who killed Nightwing?
10. Why is cyborg in Justice League?

Tags

1. #tells
2. #batman
3. #robin
4. #however
5. #shoulder
6. #adoptive
7. #simply
8. #nothing
9. #known
10. #sidekick
11. #nightwing
12. #needs
13. #becoming
14. #joker
15. #wanted
16. #started
17. #after
18. #being