Keep an eye on your shoulder against the wind of your walk
An eye ahead to know who doth talk;
No. Your trainer ID was created on a British game. The japanese name just means it was evolved on a japanese cart. The egg was created on your game so the only way for you to Masuda with it is to get a non British 'mon to breed with it.
Listen to the Voice of Reason
And ye shall pass the Grasp of Treason