Widget

Widget action-platforming video game created for the Nintendo Entertainment System in 1990 developed and published by Atlus. It is based on the cartoon series Widget the World Watcher, starring a purple alien named Widget who has the unique ability to transform into other versions of himself, including a golem, a cannon, a bird and a speedy mouse. It also had a sequel by the name of Super Widget on the Super NES. Source: Wikipedia, "Widget (video game)," available under the CC-BY-SA License.