Able to turn his body into Neutronium, the densest metal in the universe, giving him super-strength, invulnerability, and the mass of a small neutron star. In his neutronium form, Neutronium Man's mass is so great he forms a localized gravity well, drawing all loose objects within 55 feet towards him.

Character Sheet (PDF)

The Physics Geeks
Kill-o-Watt
Lord Kelvin
Neutronium Man
Refracta
Transmutant