Fabulous.
The scariest are bipolar bears, when they’re off their meds.
The last time a thread danced around that tree, most agreed that large, hairy, gay men call themselves bears. That explains Great Dave’s reply, “Fabulous.”
Then there’s Stephen “Col-bear”, who’s in a category by himself. 
The brick wall probably looks enough like rock that it wouldn’t be an issue. I watched a bear that weighs roughly what I do toss rocks and logs aside effortlessly that I could barely move. Crashing into a brick wall? I doubt it. Dismembering it? Definitely.
Yep. And garbage cans. And ice chests. And…
A polar bear is, of course, a rectangular bear after undergoing a coordinate transform.