Today in Tweet Beat, some jerky nobody with a twitter account makes a jab at Will Arnett's new television series and both Alec Baldwin and Rob Lowe jumped to his defense. Even better: Lowe's reference to the Bluth family's chicken dances. Plus, Katy Perry looks great, the cast of Community remember Chevy's days as a sex symbol, and Kanye West and Russell Simmons spend the day occupying Wall Street.