From StarWars:
"In 2008, Star Wars: The Clone Wars expands the Star Wars universe with plenty of surprises. This week, Lucasfilm begins offering a glimpse at some of these surprises during the annual Toy Fair events around the world. As it unveiled many of its upcoming toys and collectibles, including those from the Clone Wars TV series, among the familiar characters like Obi-Wan, Anakin and Yoda is a mysterious new Padawan named Ahsoka Tano."
You can find out more at StarWars.com.