yes, first catch a Feebas (it involves fishing every spot in an underground lake) (I recommend googling how to do this, it's very long winded and boring) and then evolve it.
i don't think there is a code for that specific Pokemon, but if you go the the website you can visit the action replay website and you can create one
with action replay or luck
Action replay
No
no you have to get is from an action replay or go to a Pokemon event
I'm sorry but you cant capture a trainer's Pokemon without an action replay.
you trade it or use action replay
you have to migrate or use action replay
only with action replay!!! there is no way without action replay
No you can not.
U HAVE TO MIGRATE OR ACTION REPLAY
You use an action replay.