What is the monster called in Stranger Things 3?

Related questions

1. What is the stranger things group called?
2. How did they kill the Mind Flayer?
3. What is the game Dungeons & Dragons about?
4. Does 11 lose her powers?
5. Why was Dungeons and Dragons banned?
6. What is a Zoomer D&D?
7. Is Eleven the Mind Flayer?
8. Is Stranger things suitable for a 12 year old?
9. What Dungeons and Dragons do they play in Stranger things?
10. Is Eleven the demogorgon?

Tags

1. #billy
2. #whatever
3. #seems
4. #hypothesize
5. #creature
6. #demon
7. #later
8. #hospital
9. #human
10. #transforming
11. #overtaken
12. #infection
13. #reads
14. #seconds
15. #treated
16. #there
17. #theory