While many expected Grohl to fade into obscurity, he did the unexpected by forming one of the greatest rock bands of all time — Foo Fighters. How did Foo Fighters come together? He had to give the project a name, so Foo Fighters came to life. With Grohl picking up the rhythm guitar and taking the lead behind the mic, Foo Fighters officially had a lineup. What made Foo Fighters endure for decades, though?