There have been writers in the past that have written that he kind of has an "Attraction" to the Earth and I've seen him be moved, but only because the Earth buckled and was still stuck to his feet.

That being said, the power on the figure itself is a bit weird, yes.

Know what these Blobs don't have?

The "Foam rubber belly action!" from the 1990s action figure, with its very obvious "disgusted with fat/war on obesity" style flavor text.