The Surrealist - Several online generator toys.
Instant Username Search - Check out if your username is available
Random Surrealism Generator - Random Surrealism Generator. Add it to your page for free. Come here to see what it's all about.
Handlescout - Get notified when a Twitter username becomes available
Random Phrase Generator - This site generates random phrases and sentences - sort of like Mad Libs meets Magic 8-ball.
Namechk - See if your username is available on 100+ social networks