Question: What method of the hybrid martial art Kajukenbo from Hawaii did American martial artist Charles Gaylord become known for?
Sentence (from "Hélio Gracie"): Hélio Gracie (] ; October 1, 1913 – January 29, 2009) was a Brazilian martial artist who, together with his brother Carlos Gracie, founded the martial art of Gracie jiu-jitsu and with Luiz França and Oswaldo Fadda the martial art of Brazilian jiu-jitsu (BJJ).
Relevant evidence: No