Thanks Bayes,  
 
I was thinking they acted like catfish.  Bottom feeders.  They eat all the nonsense that falls to the bottom of a lake.  They spit out the same kind of garbage.  And one has definitely been spitting out a lot of garbage lately.  
 
But "troll" is much more accurate.  I abbyciate your style. :thumbsup: 
 
Excuse my poor spelling.  My translator must be on the fritz.
 
GLC