sentences:  Instead of Betty Kane's Bat-Girl, fans were introduced to a similar character called Mary Elizabeth "Bette" Kane, also known as Flamebird.This was an in-joke, as the team of "Nightwing and Flamebird" had a history in the Silver Age continuity as a pair of supporting characters in the "Superman" books.Bette was now a very driven and somewhat spoiled Los Angeles debutante and tennis prodigy.