G-Force: The Teen Human Member

Blair Rosetta is only a years younger than her 17 year old brother and ten years older than her 7 year old sister
She's the middle child
Or as her parents call her, the mistake of the family
When's she an inventor
She quit ballet which her parents wanted her to prose but she wanted to do the impossible and better the world with her inventions
With her dog Harley Quinn and her Chameleon Pascal by her side
Their pretty much a perfect trio
With an invention she plans to change the world with
Her family goes to get pets for her and her siblings
Now she's helping a rejected Special Agent team called G-Force