The American National Renaissance Party adopted the lightning bolt within a circle as their symbol, which superseded Madole's use of the swastika. It decorated their rostrum and was worn on their armbands.
The BUF's left-wing opponents parodied the symbol as "the flash in the pan."
The "Flash and Circle" symbol and color scheme are similar to the insignia of Singapore's People's Action Party (PAP). However, unlike the BUF symbol, the PAP's insignia is composed of a red flash struck through a smaller blue circle on a white background. The PAP insignia represents "Action within social/racial unity," a subtle but important change from the BUF's intended purpose. In addition, the white background represents purity in thought and deed.
The symbol is also very similar to the following: