You're right, the first one is scary and the second one is gross (I actually gagged while watching it).
On a side note, I just did a search for arby's chimps commercial on google to post in this thread, and I got the following message:
This video has been removed due to terms of use violation.
Why in the world would Arby's ask for their commercial to be removed from YouTube?! It's free advertising! (Or is it YouTube/Google pre-emptively removing it?)