There was a Arceus Download at Toys R Us during April which has already past and be available next year.
Also on Pokemon Platinum, Pearl, and Diamond you can find near the Spear Pillars.
There is not an arceus trophy, and arceus was created after brawl, so arceus is not in brawl
Arceus has no gender.
arceus
Arceus.
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Arceus.
arceus
ARCEUS
Arceus is not avabile. Right now, hack or use cheats to get Arceus.
Arceus has never been distributed as an egg. If you are referring to the egg from the HeartGold/SoulSilver Arceus event, it hatches automatically.
arceus is the alpha Pokemon
Arceus