So, yeah. A sponge that changes the colors of stuff around it.
I wish like hell I had the rest of this comic. Though I'm certain that even that wouldn't help how cracktacular this explanation is anyway.
ALSO!!: I have a request. Has anybody got a couple of scans from The Dark Tower's comic-ization, or The Stand's comic-ization (particularly any scans featuring Nick Andros, the deaf-mute fellow)? I'd be eternally grateful. :D