Originally Posted by Fat Yveltal
I think having the tallest Pokemon present on the field with accurate size comparisons like in the console games was the point of his post. I wouldn't expect Wailord to be heavier, since he's a whale. Whales have got a lot of blubber. Groudon's made out of heavy armor plating crafted from what looks to be a precious mineral, and rocks are more dense than fat. Groudon's still shorter than Wailord, so seeing him in game wouldn't be as impressive.
Yes, but Wailord's density is somewhere between Styrofoam and air
. This should not be the case.