well this top 10 is based on kishis implications:
1. hashirama
2. madara
3. obito
4. nagato
5. BM naruto/ems sasuke
6. BM naruto/ems sasuke
7. minato
8. mu
9. itachi
10. 3rd raikage
Kishi's implications?
Second mizukage and muu are equals.
You completely forgot about hiruzen "prime"