I would say this would make me feel bad for spiders if it wasn't for the fact that I got bit by a brown recluse a few weeks ago and thusly have ABSOLUTELY no sympathy for any spider that exists any longer.
Still, brilliantly done. Your voice work is incredible and I'm surprised you aren't more famous than you are. I look at cheap hacks who do voices for major video games/cartoons/movies these days (The voice of the Terror Mask in splatterhouse comes to mind) and wonder why they don't just offer guys like you the job.
Every time I spray a spider from now on I'm going to hear "Master...why!?" In my head.