Probably. I know there's a way to change keys and breed paths, but I haven't looked into it.
Of course.
1: Again, I know that there's a way to change keys and what monsters appear at what keys, but I haven't looked into it and I don't know if I plan to. I may one day, but I never really cared to edit the keys because I thought they were fine as they are.
2: Pretty sure those are event-only monsters, which means there's no way to get them anymore other than gameshark. However, I know there's a way to change breeding paths and make them able to be bred for, I just hav