Color credit provided by Anthony Tollin.
Continued from last issue. The villain is Heathcliff Monroe (an HP Lovecraft look-alike) from Swamp Thing (DC series, 1972) #8.
The tractor salesman resembles Richard Nixon. The flashback is from Swamp Thing (DC, 1972 series) #8.
The tractor salesman is a dead ringer for former president Richard Nixon.
Story continues next issue.
Text article with biographical info on Mike Netzer.