Which writer created this fictional character in American comic books published by Marvel Comics, who is an ally of Martin Soap and appeared in "The Amazing Spider-Man?"
Martin Soap: Lieutenant Martin Soap is a fictional police officer, and ally of the Marvel Comics antihero the Punisher. Punisher: The Punisher (Francis "Frank" Castle) is a fictional character appearing in American comic books published by Marvel Comics. Punisher:  The character was created by writer Gerry Conway and artists John Romita Sr. and Ross Andru, with publisher Stan Lee green-lighting the name.
Gerry Conway