Mark Robinson, the controversial and socially conservative Republican nominee for governor of North Carolina, made a series of inflammatory comments on a pornography website’s message board more than a decade ago,

The civil rights leader’s son said the GOP gubernatorial nominee’s alleged remarks are concerning to all Americans who oppose racism and bigotry.

He called himself a “Black Nazi,” supported reviving slavery, and bashed Martin Luther King Jr., all on an old porn website where he used to write.