The original name of Winnie-the-Pooh was Winnie-the-Pooh. He was first introduced in the year 1926 in a book simply titled Winnie-the-Pooh by A. A. Milne. For more information, see this link: http://wiki.ask.com/Winnie-the-Pooh.
When Winnie the Pooh fist came out he was originally supposed to be called Edward Bear. Him and the other characters were all stuffed animals owned by Christopher Robin. That is the son of the author who wrote the books.