Monday Puzzle

The Presurfer, in cooperation with pzzlr.com, brings you a puzzle every Monday. Just to tickle your brain.

I have seven letters:
The first two stand for a boy.
The first three stand for a girl.
The first four are a brave boy.
The first six are addictive.
But all of my letters together stand for a brave girl.
What am I?

You can find the answer here.