In Pokemon Black and White, What is the name of the 3rd main Legendary Pokemon?

Question

For example, Giratina is the 3rd main Legendary Pokemon in the Sinnoh Region.

Rayquaza is the 3rd main Legendary Pokemon in the Hoenn Region.

Answer 1

This is now confirmed - the third main legendary is Kyuremu, who is Dragon/Ice.

Comments

I am sick of people thinking (No offense Pokemaster) that kyreum is the third legendary.

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it is actually the 3rd legendary