'Recon' Bob Yewlaiter at the 24 Hour Laundromat.
'Recon' Bob Yewlaiter is a NPC who can be found at the 24 Hour Laundromat in Stick RPG 2. He helps the player by upgrading the Weathered Sledge Hammer if provided with a sledgehammer and a material (Einsteinium, Unobtanium).