Lia Douglas was a friend of Barbie in Brazil in the 80s and 90s. She was the replacement of Whitney MacTavish, and unlike Whitney, was in one edition of the Rockers line.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...