And though organizers of MOAR say they "condemn racists of all colors and supremacy of all colors" in their mission statement, Peter Boykin, president of Gays for Trump and a speaker at the conservative rally, said in an interview with The Washington Post ahead of the event that he will speak out against what he calls "Sharia law, transgender men and women in the military and the Deferred Action for Childhood Arrivals program" in his speech.
The Juggalo March had been planned for more than a year and drew music fans from across the U.S. in a bid to change the group's reputation.
"We support music that has changed some of our lives", she said.
All of those things were triggered by a tattoo, a T-shirt, a vehicle sticker or a poster that had the Insane Clown posse name or logo.
"It's very hard for law enforcement", says Sergeant Michelle Vasey, who in the mid-2000s worked as a gang intelligence officer at Fort McDowell police department in Arizona.
There's also Shawn Wolf, who says he never got custody of one of his kids because of the posters, T-shirts and auto stickers a social worker saw during a home visit in Arizona.
The band's fans, known as Juggalos, have gathered in front of the Lincoln Memorial in a show of strength and unity.
Insane Clown Posse, which got its start in Detroit in 1989, blends rap, metal and carnival theatrics. "What happens to Jimmy Buffet's Parrotheads?"
Alesia Modglin, a pizza delivery worker from southwest Missouri, said she felt compelled to drive to D.C.to protest the FBI's classification. But back in 2011, the Justice Department's National Gang Intelligence Center decided the Juggalos were a "loosely organized hybrid gang," like the Crips, Bloods and MS-13.
The report said "most crimes committed by Juggalos are sporadic, disorganized, individualistic, and often involve simple assault, personal drug use and possession, petty theft and vandalism". Juggalos, in tandem with the American Civil Liberties Union, sued the government in 2014, claiming Juggalos' "constitutional rights to expression and association were violated" by the FBI's classification. Organizers, on the event's website, appealed for people to "help send a message to Congress, the media & the world" that "we stand united to defend American culture & values".
Also near the National Mall, a crowd marked by the red "Make America Great Again" caps ubiquitous among supporters of President Trump will rally in favor of the administration's policy agenda.
"Tweeted one smart alec: "#JuggaloMarch and Trump supporters both marching.
Nevertheless, as NPR's Windsor Johnston reported, some counterprotesters attempted to tie the MOAR rally to Charlottesville, including one who held a sign featuring an image of the woman killed by a motorist there.
While both events have explicitly urged participants in their codes of conduct to not use violence during their respective gatherings, the fear of possible clashes has grown in the wake of the violent Charlottesville, Virginia, demonstrations where a young woman was killed when a vehicle plowed into a group of people protesting a white nationalist rally.