character. Instead, he offered clues to his personality. I like Biscuits. I do not like Velcro, he wrote. The person behind the wildly popular @BronxZoosCobra, which chronicles the exploits of a real-life snake that briefly escaped its enclosure at the New York City zoo, also declined to break character in an e-mail exchange with CNN. The account has more than 200,000 followers. The strangest thing tweeted at the snake, its creator said, was a request for an endorsement from a high school student running for student government. I endorsed him, she wrote CNN. He lost. Snake bigotry at its best. Online alter egos Many novelty Twitterers with large followings are baffled by their popularity, which has led them to think about the relationship between the Internet and the real world. I have a feeling, and I could be wrong, that the people that follow The Orange Cone find it to be more realthan some of the drivers out on the track, its creator said. They can reach out and in most cases get a response. And the fact that no one knows who it is -- which means it could be anyone -- just adds to the mystery and the enjoyment. Added the man behind KarlTheFog, I think people in the Bay Area like Karl because the fog was already a character in their lives. In a world that's becoming increasingly personalized, you can surround yourself with a cast of friends on the Internet that match