no. that isn't possible
Sneasel cannot be found in the wild in HeartGold/SoulSilver.
Yes, it is possible to get a shiny Pokemon in HeartGold. Shiny Pokemon are extremely rare, and sometimes you may never encounter them in the game.
there are no new Pokemon on heart gold there is still only 493
either cheat or battle the as many trainers as possible
no
In Heartgold, you can still catch Lugia, only later in the game.
im not sure but i think it is possible on download.com
not possible dude
thats not possible
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.