Comic #48 Useless useful thing

MysteriousJeff on Feb. 15, 2009

The swamp sludge is represented by the rocks in my backyard

I don't have access to actual swamp sludge, so…

Update 10/29/09
Pronounciation: Gal-lys ('g' as in ‘great’ or ‘gear’, not ‘g’ is in ‘generic’. Rhymes with ‘callous’)