Jack

Image result for mass master
Full Name: Jack Power

AKA: Mass Master (Issue #1)

Age: 8

Powers: He can alter his density by either increasing 
or decreasing the amount of space between the 
molecules of his body.When increasing he can turn 
himself into a cloud, mist, or a gas type entity. 
When decreasing he shrinks down to a 60 pound 6 inch 
version of himself that makes him resistant to damage
 and gives him his patented Jack Hammer attack.