Rainbow Dash is many things which some could be debateable between users, but one thing is definitely true and proven. Rainbow Dash IS Button MASH!

HERE IS THE UNBIASED PROOF:

1. Rainbow Dash

2. Rainbohw Dash

3. Rainnbohw Dhash

4. Rainnbohg Dyash

5. Rainnobohg Dyash

6. Raintobog Dyosh

7. Raintbogn Dyoash

8. Raintbogn Doash

9. Ruanybbon Doash

10. Bruanddon Moash

11. Bruandton Moahsh

12. Bruhndhon Maosh

13. Byundton Maosh

14. Buntton Mash

15. Button Mash.

Rainbow Dash = Button Mash