Ay Chihuahua's ad says, "We Authenticate Mexican Food." So if you're not sure you have a legitimate burrito, you can bring it to Ay Chihuahua for an assessment?
The other has the cohones to call itself Big Kohonies, complete with suggestive logo. You can see it at http://www.bigkohonies.com. Maybe it's the male counterpart to Hooters. I wonder if the waiters wear Speedos.