Are Optimus Prime and Megatron brothers?

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Tags

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