no
Mimic is not a TM. In HG/SS, there is also no Move Tutor that teaches Mimic.
You cannot trade a Pokemon from the 5th generation to the 4th generation or below. Getting Pokemon from Black/White to HG/SS is impossible. You can migrate Pokemon from HG/SS to Black/White though.
There are no PokeBlocks in HG/SS.
you can breed almost every Pokemon except legendaires with a ditto
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Mimic is not a TM. In HG/SS, there is also no Move Tutor that teaches Mimic.
You get it from a guy just north of the Ruins of Alph.
hg
go into the poke'mart there will be a guy in green he will give u the gift Note:in HG and SS the guy is red
in Union cave
you need the move strength. go to mt mortars entrance and a guy will pop out and give it to you in hg and ss.
Pokemon black and white :D
no, you can't
It depends if you like the original Pokemon or the all-new Pokemon but ss and hg have more Pokemon but b/w only have 152 Pokemon, i am glad to help
hg
You can't find registeel in Pokemon HeartGold.
You can't go to Hoenn in Pokemon HG/SS.