|Powers and Abilities||Steel-Plated Skull|
|Family and Friends||Silver Sable|
The man known only as Hammerhead is a criminal famous for his steel-plated skull. He worked for Tombstone before moving out on his own.
Hammerhead used to work for Silvermane and had a romantic relationship with Silvermane's daughter, Silver Sable. Then he went to work for the "Big Man," better known as Tombstone. Under orders from his employer, organizes the Enforcers to take out Spider-Man since the wallcrawler was interfering with Tombstone's criminal operations. ("Survival of the Fittest")
After the Enforcers failed to complete their task, Hammerhead instructed Montana to steal the Tri-Corp shipment of vibro-shock units and protective suit so that Montana could become Shocker, and finish the job of eradicating Spider-Man. ("Market Forces")
His real name is Joseph, last name unknown.