why would a female kill stuff?
The pyro is just a pyromaniac that is hired for red/blu because of his services of setting things on fire.
But how can you have a child that is fully grown and still look young?
The pyro was voiced by a guy and thus the pyro is a guy. If the pyro was a girl, there would be boobs.
Could be flat
who ever said the red spy's scout's mother? They just said (implied) she had love with him.