Angus Mcgyver was played bei Richard Dean Anderson in the tv-series "Mcgyver". Mcgyver, or simply called Mac by his friends, is a about 35-year-old man who was able to build nearly everything only with is pocketknife, a stripe of gum and a piece of paper.
The asgard are a very highly developed race, which plays a very important role on Stargate SG1. They look like "Area51"-Aliens and actually they were these little gray guys who visited our little blue planet to get information about the human race. But they are a very friendly species and help whenever and wherever they can.