Ophelia Butler, better known as Diva (and later Ophelia "Bopsy" Butler in the Sensations line) is a character in Barbie and the Rockers and the 1987 TV movie series of same name. She is of Scottish and Irish descent.
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...