Foo Fighters, commonly known simply as Foo Fighters, are an American rock band formed in 1994 by Dave Grohl and are widely regarded as one of the leading rock acts of their generation, with multiple Grammy Awards and extensive headlining experience. They frequently headline major festivals and stadium tours worldwide — including appearances linked to events like Mad Cool Festival — and are scheduled for performances during the 2026 summer festival/tour window (June 10–September 27) at large venues across Europe and North America.