others, it's a chance to make their mark in the crowded world of the Web. However, all agree that more thought goes into their 140-character musings than meets the eye. Cat Food Breath When the woman behind pet-centric account @CatFoodBreath began her novelty Twitter account in August 2010, she was n't planning on sticking around. I figured the best way to test the waters was with a pseudonym, said the Burlington, Vermont, resident who asked that her name not be published to preserve the anonymity of her Twitter persona. I would n't offend friends and colleagues if I did n't follow them, and I could make a polite exit from Twitter when I was done poking around. Two years and almost 19,000 followers later, she is still at it. In the beginning, though, she and many other novelty account successes admit they did n't really know what it was. At first, I did n't know this account was about a cat, -LSB- but -RSB- as I explored the Twitterverse, I soon realized I had a character that people related to, she said. Real or not, Cat Food Breath is definitely a character. The cat -LRB- its gender is ambiguous -RRB- writes odes to the couch, gives its owner commands with Garfield-like acerbity and complains about the family dog -- lovingly called Labradum. The San Francisco Fog Other anonymous Twitter celebs began their accounts to educate and bring -LRB- hilarious -RRB- awareness to