You have to transfer from GBA via Pal Park.
You cannot. You need to trade
Yes, But you must have Pokemon of a very high level.
no just go to him but i am talking about Pokemon emerald
NO you cant catch syther in Pokemon pearl
You can't catch a charizard in pokemon pearl.
neither of them is better, they are both the same, but in diamond, you catch dialga, and in pearl, you catch palkia, and you can catch different Pokemon in each game for example: you can catch this Pokemon in diamond, but not pearl but: you can catch this different Pokemon in pearl, but not diamond
You can't because he is not available in Platinum. You need to trade one from a friend or transfer from Ruby/Sapphire/Pearl
you can certainly catch Dioxies in the game Pokemon pearl
First you have to catch kyogre and trade groudon to heartgold then go to the embedded tower and there is rayquaza
It's impossible to catch Jiratchi in Pokemon Pearl version.
you have to have both the blue orb and the red orb and have groudon and kygye then go to my. Pokemon and get the green orb then go to the emmbedded
some Pokemon u can get by just findig the for example regis, groudon, rayqaza, kyogre and latios/latias. if u wanna catch mew, deoxys you have to have a special event.