Um..... Zigzaquaza isn't a Pokemon. I think your thinking of Zigzagoon, who isn't a legendary Pokemon, and Rayquaza who is a legendary Pokemon.
zizaquaz isn't a pokemon. If you mean zizagoon, then it depends on the game.
It is a rare pokemon, but it is not a legendary pokemon
Unknown is not a legendary Pokemon but it is considered rare. Legendary Pokemon are one of a kinds.
A hack where Zizagoon and Rayquaza have an egg together.
no lileep is not a legendary pokemon but it is an ancient pokemon
The legendary is palkia
Noivern is not a Legendary Pokemon.
Is sawk a legendary pokemon??
No, Blastoise is not a legendary pokemon.
No, snover is not a Legendary Pokemon
Azelf is a legendary Pokemon.