Is Megatron brothers with Optimus Prime?

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Tags

1. #sentinel
2. #appointed
3. #optimus
4. #meets
5. #prime
6. #specific
7. #commander
8. #defense
9. #primes
10. #student
11. #force
12. #megatron
13. #brothers
14. #prima
15. #protector
16. #cybertron
17. #there
18. #direct
19. #actually
20. #descendant