Hammersmith

Jackhammer, of the Demolition Team

Also known as

Brother of Jackson Hammersmith (the original Jackhammer).

Appearances

Who's Who: The Definitive Directory of the DC Universe #6 — 1985-08-00
The OMAC Project #6 — 2005-11-00
The Infinite Crisis Omnibus #[nn] — 2012-08-00