MDK

The game tells the story of Kurt Hectic, a janitor who reluctantly must attempt to save Earth from an alien invasion of gigantic strip mining city-size vehicles named "Minecrawlers". These Minecrawlers are not only removing all of earth's natural resources, but are also crushing any people and cities that get in their way. Aided by his boss, the (possibly) insane inventor/scientist Dr. Fluke Hawki