Sónoman (Sonoman) is a superhero created in Argentina by Osvaldo Walter Viola ("Oswal"). The first release was December 15, 1966. His power was the poder Músico-Mental (Mental-Music Power in English). This power allowed him to have the strength of "three ramming rhinos", move transformed into a sound wave and produce deafening sounds. It was published for ten years in various magazines.
Sources
Official website of the author
Other pages