You can with the action replay Pokemon modifier cheat.
all you half to to is go there whenever at night.
You cannot obtain the Azure Flute in Pokemon Diamond, Pearl, and Platinum without the use of an Action Replay.
By beating the Pokemon league 20 times.
You can't!
All in regional dex
Of course it can, golbat evolves into crobat if the friendship between it and u is good.
No it is not possible.
Gosh that to many steps.. google it! haha that always helps me. lol
I caught one through the right gate of Hearthome City
In Pokemon league
You have to get to the middle of the turn back cave (available after beating the league, where giratina is in Pokemon diamond and pearl), and there will be an item and a portal to it
By beating the elite for then Beating the champion.