Origin
Dynamite Thor was Peter Thor an explosives expert who, in a fashion never explained, gained immunity to explosives.
He uses this ability to fight crime and Nazi saboteurs by flinging dynamite at them.
Dynamite Thor also had the ability to fly through the use of a belt he wore holding charges of dynamite, which he would take off and drop behind himself sending him flying into the air, after that other charges he dropped kept him in flight.