Mike Oehler

David Michael Oehler (; January 2, 1938 February 2, 2016) was an American environmentalist and author. He was a proponent and designer of affordable and sustainable alternative forms of housing. He became well known for his appearance in episodes of the Louis Theroux BBC documentary series Weird Weekends.

Early life David Michael Oehler was born in Chicago on January 2, 1938, the son of Polly and Chet Oehler. He grew up in nearby Wilmette and had three sisters named Patricia, Gretchen, and Sioux.

In 1998, Oehler appeared in an episode of Louis Theroux's BBC documentary series Weird Weekends, in which Theroux visited Oehler's underground home in the mountains. Later that year, he appeared in the follow-up special episode "Weird Christmas", in which he and three others who had appeared in their episodes (a Christian fundamentalist, a porn star, and a ufologist) met up with Theroux in New York and engaged in various activities. The episode saw Oehler being taken by Theroux to a recording studio, where he recorded a song under the stage name of Mountain Mike.

Death On February 2, 2016, at the age of 78, Oehler died of natural causes at his home near Bonners Ferry in Boundary County, Idaho.