In 1973, the government of the Northwest Territories, Canada, commissioned a comic book to address alcoholism in the indigenous population. The result was a series featuring "Captain Al Cohol", an alien who crashed onto Earth. The Captain has a drinking problem.
You can read the entire first issue at the link. I'm not sure if alcohol gives the titular character super strength, or causes debilitation. It's not clear whether he is a villain, a hero, or a victim. But the story, however bizarre, is certainly a product of the 1970s.
Link -via Nag on the Lake