This page contains Pocket Monsters Diamond Easter Eggs for Nintendo DS called "Happy Birthday" and has been posted or updated on Jan 16, 2008 by marke9p. Let us know what you think of this Easter Egg by thumbs voting.
If you set your calendar on your DS to your registered birthday and talk to you Professor Rowan's assistant they will wish you a happy birthday! This is only possible after you beat the elite four.
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