Donna is one of the show's minor antagonists. She is a tomboyishly beautiful British Blue who pressured Lisa into smoking.
When Donna comes to visit Lisa in the Evergreen Forest, she pressures Lisa into taking up smoking so that she can hang out in Donna's circle of friends. Their friendship dissolves after Lisa quits.
Donna seems pretty chill, but is also very mean as she makes fun of Lisa's friends, especially Bert. She is also a very bad influence as she pressures Lisa to smoke cigarettes.
Donna was voiced by Tara Strong (as "Tara Charendoff") with a pseudo-British accent.