Apparently they can. I was playing on the first floor of Ironclaw Munitions, namely in the left-side party plate room. Said Thwacker could hit through the switch-activated plates and the wall bordering the shock pad.
Gremlin Thwakers Can Hit Through Walls
Wed, 08/01/2012 - 10:02
Adderone
Wed, 08/01/2012 - 12:17
#2
Adderone
Well okay, then that's no
Well okay, then that's no bug. What IS a bug is the Thwacker hitting through the wall bordering the shock pad.
Wed, 08/01/2012 - 22:41
#3
Evilnut
Lumbers can also smack you
Lumbers can also smack you through walls, but that won't deal any damage, only knock back.
If you mean those purple/yellow barriers, yes, everything can. Gremlins and scuttlebots.
I like to pretend the barriers arent that tall so the attacks go over it.