Yep, he looks a little intimidating from this angle but thankfully he's completely harmless - this is Harry the Huntsman. Check out those 8 beady eyes. What a beauty! It's roughly 15cm wide. This was taken in the pitch black with the help of a spotlight and flash.
Harry the Huntsman maybe? Better not let Wally get a hold of him. Loving the blog Gary, and the philosophical ramblings. Amazing pics, amazing place. I think you really need two caretakers there for health and safety reasons, I'll come with you next year.