You can't catch Flaafy, but you can catch Mareep at the Valley Windworks.
No it is only avalible in Gold/Silver.
with a pokeball ;)
You cant catch Articuno in Pokemon Crystal, only in Blue, Red and Yellow. But i am not sure about that.
no.
You can only catch Zapdos in Crystal by cheating. otherwise it is not in the game
I wouldn't. I'd catch your stupidity.
Flaafy will evolve into Ampharos when it reaches level 30
Um...Ampharos is the evolve form of Flaafy...and Flaafy is the evolve form of Mareep -...-
you don't catch articuno in crystal but you can get one from red, blue or yellow.
catch it in the wild
you catch it at night