Mike Fincke is an astronaut from NASA. He was the commander of the International Space Station for over a year. During his first space walk, the ground crew said there was defect in Fincke's suit and he was losing oxygen rapidly. Luckily, he made it back. He appeared in the episode "Buster Spaces Out," where he encourages Buster when his R-1 Model Rocket was not coming along as expected.