The Leo Bulldozer is a Powerpuff-Bot used by Buttercup. While on its own, it can bulldoze enemies and make them as flat as pancakes. It can unleash powerful roars, that create seismic blasts. The way it roars relates to the 2005 version of King Kong.
Leo Bulldozer is a spoof of Lion Thunderzord. It is a very large, heavy lion like robot about as big as a tank.