Surgical stapling devices including surgical fastening assemblies, surgical fastening devices, surgical fastening kits, and surgical fastening systems are provided. Surgical fastening assemblies include staples that provide a redundant approach and have prongs that are retroflexed onto the back of opposing staples or provide a rivet based compression. Surgical fastening devices include low profile fastening devices that can be attached to the distal end of endoscopes. Surgical stapling systems include combinations of staples, rivets, fastening devices and/or endoscopes to which fastening devices are attached.