Celebi, Dragonite, Togepi/Togetic, and of course, if you raise this Pokémon well, Chansey/Blissey.
This is possible in the Japanese version of Pokémon Crystal.
No.
Mr pokemons house for exp.share
There are 386 pokemons in both version.All missing pokemons available in complement dex version and Vice versa.But battle frontier is not available in complement dex version
If you can trade Pokemon from crystal version to gold version my guess is yes
Registeel doesn't exist in crystal version.
For gold, silver, crystal, there is a name rater in goldenrod city.
Namely 2 Pokemons sunkern---->sunflora gloom---->bellossom
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.
you can only get celibi by normal gmeplay on the Japanese version of crystal. u need a gs ball and give it to Kurt but u cant obtain celibi on gold and silver only by haking on crystal u just need to have beaten red on crystal and win a lottery to obtain but when u hack u buy it at the mart
it rases dragon pokemons power
Crystal version.