Who was the first IWGP champion?

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Tags

1. #tournament
2. #after
3. #championship
4. #heavyweight
5. #champion
6. #since
7. #result
8. #beating
9. #became
10. #format
11. #first
12. #hogan
13. #inoki
14. #annually
15. #against
16. #winner
17. #defended
18. #league
19. #knockout
20. #antonio