Unknown is not a legendary Pokemon but it is considered rare. Legendary Pokemon are one of a kinds.
to get unknown you go to ruins of alph and do the puzzle of a legendary pokemon(i dont know which one) after that you fall in a hole and then search for it somewhere.
On Pokemon Fire Red you can find the legendary pokemon: Articuno-at sea foam Island Zapdos-at power plant Moltres-at Mt.Ember Mewtwo-Cerulean cave Unknown-Tanoby Ruins
u can form all of them together and make a legendary pokemon called the unknown
It is a rare pokemon, but it is not a legendary pokemon
Ask the creators of Pokemon. I don't know. I guess it's kinda like how unknown, and legendary Pokemon can't breed.
no lileep is not a legendary pokemon but it is an ancient pokemon
The legendary is palkia
No, snover is not a Legendary Pokemon
No, Blastoise is not a legendary pokemon.
Is sawk a legendary pokemon??
Noivern is not a Legendary Pokemon.