Sledge Bros. (Knowed as Hermano Trineo in Spanish) are bigger, fatter Hammer Bro. subspecies. As their name says, they throw sledgehammers instead of the normal ones that the ordinary Hammer Bro. throws. Because they're so obese, they could cause quakes each time jumping, making Mario paralyzed for a little time. Sometimes a Sledge Bro. is called a Sumo Bro., even though they are different.