Yes it's known and while running on clouds is significant, if anyone wants scan above^
However even more significant to the topic, yet still ignored by everyone here.
Besides expelling atoms, (which weakens (if it leads to "disintegrate" him I'll let you debate LOL! )
He can literally run on photons.
And again, follow them through space he can literally just step in another direction to redirect himself.
Plus
Vibrating he can expel/direct them to change directions, light has energy.
It is how solar sails that can change direction and accelerate work, we have those, they exist!
I'm suggesting there is a simpler better idea at work, just combine the premise.