Well, you have to beat all the gym leaders in the game. Then you can get the legendaries.
you need a lot of ultra balls and you surf down to it and run into it and then catch it.
You can find legendary Pokemon in Pokemon battle quest in the pokeshop.
no
you cant if its a regular Pokemon the original answerer is right but if it's a ditto and you are facing a legendary you can transform into it for the length of the battle or until ditto/legendary Pokemon faints if it faints during the battle.
All legendary
Lugia
A person can find legendary Pokemon in Pokemon Battle Quest by searching the map and battling other trainers. It is also important to have upgraded Pokeballs.
stupid head
If you count sudowoodo as a legendary then yes
if you have Pokemon pearl or diamond you can connect 'em up and send legendarys from your ds to Pokemon battle revolution. :)
they dont
it depends in its element....
Legendary Pokemon are banned from the Battle Subway.