BulletproofBeetle (yeah i finally landed on a name) is an obvious homage to the the golden age BlueBeetle. While trying to make him not look exactly like BB, I ran into the secondary issue of trying to make sure he doesn't look like the Phantom either. So I ditched the back&forth between "blue" and "emerald" naming and went with functionality.
He's the street-level member of the Super Powered Society of America. Relying on his fists and his .45
He has an enchanted stone scarab that grants him with extreme physical durability. His invulnerablity helps hand-to-hand combat by transferring his higher density to his appendages for a more powerful strike.