John D. Gavriles- Wrestler in Chicago in the Teens

My uncle John.D.Gavriles who was a wrestler in his youth in Chicago. He was know as John Gabriel with the nickname of "Brokos". Not sure what the nickname was about? He was my father's eldest brother. Born in Logothetianica in 1889. Died in Detroit in 1967. Had one son Demetrios Gavriles, who lived in Pittsburg, and has now died within the last couple of years.