Republican North Carolina gubernatorial candidate Mark Robinson referred to himself as a “Black Nazi,” disparaged Martin Luther King Jr., used antisemitic and homophobic slurs and spoke highly of slavery on a pornographic website before his entrance into politics, according to a new CNN report —as Robinson denies making the comments.

An email account used by North Carolina Lieutenant Governor Mark Robinson, the self-proclaimed “Black Nazi” Republican running for the state governorship, was signed up to the language app Duolingo for German lessons,