Kalmar "Gentleman Johnny" yawanci ana amfani da ita don nufin John Burgoyne, wani jami'in sojan Birtaniya wanda ya yi aiki a lokacin yakin juyin juya halin Amurka. An san Burgoyne don kyawun kamanni, ɗabi'a, da ilimi, wanda ya ba shi laƙabi "Gentleman Johnny." Duk da haka, duk da sunansa a matsayin mutumi, Burgoyne kuma ya kasance mai yawan cece-kuce saboda dabarun soja da ayyukansa a lokacin yakin.