Ogroff, also known as Mad Mutilator is a 1983 French slasher film written, directed by, and starring Norbert Moutier (as N. G. Mount) and Howard Vernon.

[2] Its plot follows an isolated backwoods lumberjack who attacks and murders people passing through his woods.

[5] Joseph A. Ziemba, published in The New York Times, described the film as a "gore-drenched...  European pastiche of American slashers.

"[6] Promoting a revival screening, the Alamo Drafthouse wrote of the film in a press release: "Director N.G.

Mount’s madness on all visual, technical, and constitutional levels achieves an iconic trash perfection that is only equalled by fellow idiosyncratic filmmakers Nick Millard, Doris Wishman, and Chester Turner.