Heath Campbell, who is father to Adolf Hitler Campbell, 7, JoyceLynn Aryan Nation Campbell, 6, Honzlynn Jeannie Campbell, 5, and Heinrich Hons Campbell, 18 months, wore the uniform for the closed court family hearing in Flemington, New Jersey on Monday.
Marching into the courthouse with a swastika tattoo visible on his neck, Campbell told NBC News: “I’m going to tell the judge, I love my children. I wanna be a father, let me be it.”
Campbell and his estranged wife Deborah first made headlines in 2009 when a shop refused to decorate a birthday cake with the name of their oldest child, Adolf Hitler.
Shortly after the incident, Adolf and his two siblings were taken into state custody.
NewJersey.com reports that although family court proceedings are closed, a 2010 appeal decision said the children's removal was not because of their names, but based on allegations of domestic violence.
Campbell says his three oldest children have since been adopted by other families. His youngest child, Hons, was taken into care hours after his birth in November 2011.
The Campbells have always denied abusing their children.
Outside the courthouse, Campbell added: "I've never abused my children, I only name my children and I don't think it's right anymore.
"Basically, what they're saying is because of my beliefs and I'm a Nazi, that us people don't have any constitutional rights to fight for our children."
When asked whether he believed his Nazi uniform would help his case, the 40-year-old replied: “If they're good judges and they're good people, they'll look within, not what's on the outside."
"If I have to give up my Nazism, then so be it. I'll do it," Heath Campbell told the Star-Ledger in 2011. "[The children are] more my heart and soul and everything than anything."