easy enuff.u can find mewtwo in the cerulean cave.as for suicune,raikou,entei,that depends on ur starting pokemon.if its a fire type,u can find suicune.grass,entei and water raikou.these three legendary dogs will move around the enter game.it will not stay at one spot all the time.ho-oh and lugia can be found at navel rock if im not wrong.but 2 acces them u will nid a aurora ticket.for deoxys,u will nid to go 2 birth island if im not wrong.again,using an aurora ticket.u can get this ticket from wonderspots in certain shops located in the US.

wheres mew?