I say giratina or ho-oh
Rot om's Fire Type [Oven]
Lucario. He's got a very versatile move set.
Giratina or arceus
Arceus is the best and will always be
It matters on stats... L
Arceus or giratina
Arceus and MEw. .
The best pokemon in platinum is Arceus cause of its multitype attribute.
You metagross and salamence are good but I like darkrai and rotoms fire type
It depends on your team. My team is Luxray, Roserade, Infernape, Gardevoir, Crobat, and Gyrados. I have caught a Giratina, Dialga....etc, but I don't use them, and I have won many battles with my team.
Dudes! You are only thinking about legendary. I mean there other strong pokemons like metagross,drogonair and salamence.
Giratina ho-oh or any legendary