A potato masher can be used to mash the potatoes. The potato masher consists of an upright or sideways handle connected to a mashing head. Thinking Marty purposely hit him, The Masher runs over Marty's car and crushes it. Control Monkey D. Luffy through platformer styled levels, with a one button masher combo system. In November 2015, It got replaced by Shredder's Mutant Masher. Although "brum" means mountain in Balti, the origin of "masher" is less clear. In the "" episode "Monster Management", Masher is one of NightMare Enterprises' strongest creations. The Division was the target of Operation Masher from 24 January to 6 March 1966. Operation Masher was carried out in heavily populated rural areas. On 24 January the 1st Cavalry Division began Operation Masher.