Elemental Sandman – TSR 2145 Monstrous Compendium Annual Volume 1
Quicksand (Marvel) is similar to Sandman in OHOTMU A – Z Update #5.
Sandman (Marvel) was the first major comic book character to have this ability and first appeared in Spider-Man V1 #4.
Sandman is apparently taken down with some fancy chemistry in Identity Disc #1.
Some fancy chemistry is used yet again to take down the Sandman in Doctor Doom and The Masters of Evil #1,
However, before Sandman the human, there was Sandman the monster in Journey into Mystery V1 #70.
Next 386) Satyr Anatomy