What is fnf bf png?

FNF (Friday Night Funkin') is a rhythm game developed by the programmer and composer, known as 'Ninjamuffin99'. It was released in 2020 and has gained a large following due to its catchy music and challenging gameplay. BF (Boyfriend) is the main character in the game, who must battle against various opponents by singing and dancing along to the beat. PNG stands for Portable Network Graphics, which is a lossless image format commonly used online. It is likely that "fnf bf png" refers to images or graphics related to the character of Boyfriend in Friday Night Funkin'.