you get it from the fat guy in green near ruins of alph after you chase away or catch that 'tree' blocking the way to goldenrod.
The strongest Wobbuffet you can find in crystal version are in Cerulean Cave, they might be a little hard to find though
In Pokemon Crystal Version, a Heracross will occasionally appear when you use headbutt on trees.
yes
Lunatone? You can't get it anywhere, and you can't trade it into Crystal.
The director will be in the rockets underground warehouse.
You could get a shiny Pokemon for crystal but you need luck to catch one ("_")
That's the hidden TM, only at Nintendo Events
After the Florma City, go down and go to the left where you see a pokeball that contains tm08. ^-^
If you can trade Pokemon from crystal version to gold version my guess is yes
Registeel doesn't exist in crystal version.
You can get it by buying it from the Department Store in Goldenrod City or get it from someone that was near the Sudowoodo.
To trade Pokemon from Pokemon Crystal version to another version of Crystal you need to use a link cable. You can also battle this way.