where do I find the TM for blizzard and/or ice beam in heart gold?

Question

I need to teach one of them to my pokemon... badly XD

also is thunder a tm? if so where can I find it??

Answer 1

http://www.psypokes.com/hgss/tmhm.php

Both are found in Goldenrod city,

You get Ice Beam for 10,000 Coins and You buy Blizzard in the Department store for 5500 Poke.