You buy the Flash TM from Nimbassa City.
You get it from a man in Castelia City.
Non. Flash is a HTM that you gotta find in the game!
you can find it at the veilstone department store on floor three
go to floor 3 of Veilstone department store =)
I dont think that there are any pokemon that know it without a tm. Get a togepi, togetic or togekiss and a flash tm. They can learn that move
i
Find the move deleter.
Route 18
driftveil city
in nimbasa city in a house near the pokemon center.
for flash a man gives you it in an alley in castelia city. for strength you go to the nimbasa Pokemon center and go to the building right above it to the left
Any Pokemon that can learn a electric move