"You're seeing anti-Semitism in these crazy tweets I'm getting and you're seeing a display of torches at night,which is reminiscent of the KKK,"Signer,who is Jewish,said in a phone interview.
"They're sort of a last gasp of the bigotry that this country has systematically overcome."
Signer issued a statement on Saturday criticising the torch-carrying marchers as either"profoundly ignorant"or aiming to instil fear.
"I smell Jew,"posted an anonymous Twitter user with the handle"Great Patriot Trump".
"If so,you are going back to Israel. But you will not stay in power here. Not for long."
The protesters converged on Charlottesville's Robert E. Lee Park,where a statue of the Confederate general that the city council voted to remove is located.