Latios cannot be caught in Pokemon Diamond. You must get one off the GTS if it is in your Pokedex, or you must migrate it from Pokemon Ruby, Pokemon Sapphire, or Pokemon Emerald.
No you cant catch Latios in Pokemon Colosseum. You can only trade it in from your Ruby or Sapphire game in to the Colosseum game and that's the only way you can get it.
You can't catch Arceus in Pokemon heart gold. You must bet it from Pearl, Daimond, or Platinum.
above jubilife city in the grass by using Pokemon Radar
Catch Elekid on route 204, the electrizer is held by him (50%)
you cant dummy
puts ("Daimond");
Pokémon Diamond, you can only catch Darkrai during limited time distribution events however you would only be downloading it into your game.
Transfer from GBA via palpark
Beat the elite four, win all master contests, catch all of the pokemon, and for more info, go to www.serebii.net
you have to trade from pearl
it tells you how
serebii.net