No there is not a trainer editor in Pokemon black 2 or Pokemon white 2
all Forget the previous answer and play black/white then black/white 2
Yes, but you must beat N at his Castle
In Pokémon Black 2, Shuckle can be found with the trainer named "Caitlin." She is one of the Elite Four members and uses a Shuckle as part of her team. You can battle her after defeating the Pokémon League. Additionally, Shuckle can also be found in the wild in certain areas like the Abundant Shrine.
there is no trainer with skitty in black 2. you'll have to trade with someone who was white 2 or in a different gen. if you have delcatty in your pokedex, go the gts in the pokemon center and seek for one so you can breed it.
As long as the pokemon isn't Version Exclusive such as trying to trade new pokemon into older games. Example: White Kyrem/Black Kyrem trying to trade to Pokemon BW. That is invalid. However trading pokemon like Reshiram into Pokemon BW is valid.
yes!
Black Kyurem is in Pokemon Black 2.
No, the Pokémon Trainer known as Red that appears in Pokémon Black 2 and Pokémon White 2 is not Ash Ketchum from the TV Show.
Pokemon Black 2.
yes, but I am unsure how to yes, but I am unsure how to
Jack Black.
4 because the sell pokemon white and pokemon black and know they sell pokemon white 2 and pokemon black 2