Who is sans the skeleton?

Related questions

1. How do I beat papyrus?
2. What is Underfell?
3. What is Echotale?
4. Is Deltarune related to Undertale?
5. What does EXP mean in Undertale?
6. Can I play Deltarune before Undertale?
7. Is Gaster sans father?
8. Is Gaster related to Sans and Papyrus?
9. What is Outertale?
10. Is WD Gaster a skeleton?

Tags

1. #supporting
2. #undertale
3. #forest
4. #ruins
5. #papyrus
6. #genocide
7. #serves
8. #protagonist
9. #route
10. #antagonist
11. #brother
12. #final
13. #pacifist
14. #exits
15. #major
16. #heroic
17. #after
18. #appears
19. #neutral
20. #character
21. #first