My Rayquaza on my Emerald and my Mewtwo on Firered are Modest nature.
This causes Sp. Attack to go up and attack to go down,
The Adamant nature is the exact opposite of the Modest nature.
If you want a quick list you could print the page
or copy it on a sheet of paper.
I thought images could be 250 pixels high? But in sigs the height limit is 200?