Teresa Rivera is a friend of Barbie who first debuted as the "California Dream" Teresa doll in 1988. Since then, she has been Barbie's most frequently featured female companion in the toy line, but has currently been surpasses by Brooklyn and Daisy. Currently, Teresa remains one of Barbie's core friends in the Barbie brand. Her personality has changed over the years but is currently shown in various television series to be interested in science, technology, inventing, and buisness.