Who?
What A good question, who is Humming Pawn the mascout. Well its quite simple, he's a infinite being still controlled by another. He's a pawn that hums all day long.
Why
What a good question, why is humming pawn the mascout. In the most simple of facts, he is the one that all these stories flow from. He hums the organic code that made all these ideas up. A tune that bleeds out into the burling winds love, anger, something, and something else.
Where
What a good question, where is this humming pawn. He sits inside of jupiter, wandering the green plains within. Humming a tone so beauitiful that all the astroids that come nearby must come into jupiter to hear it. A location so far far away, but close to our hearts upon earth. Truly, he lives everywhere, in the air to the mind.
How
What a good question, how is humming a thing. He had a mission that needed the rocks of Jupiter. After a devasating failure, he was gifted the ability as the humming pawn.
when
What a god awful question, you should feel ashemed for asking. "Oh when was all this", go kill yourself you sick 
. Humming Pawn is ahead of this time and before it all. He is the all in all, the omega and the alpha. As motion started, he has started his life. "But that must mean he is a sort of god" NO HE IS NOT. He, and I mean it, is Humming Pawn.