The 18 Grumpiest Cats in the World!Don't get too close, or these angry cats will stare you down, way down

Updated: Tuesday Jan 26, 2010 | 06:00 AM EST By: Helin Jung

BARNEY

That's a glare so sharp, we almost have to look away before we get hurt. We're amazed by mom Amber Brown (Barniferous)'s bravery – our hands would be shaking on the camera shutter! Grumpiness Rating: 8.9