Jeff DuJardin goes by Shoeless.
Jean Dujardin goes by Jean de la Lune.
Jeff DuJardin's birth name is Jeffrey Gabriel Alexander Dujardin.
Jeff Gulka goes by Jeff.
Jeff Schirmer goes by Jeff.
Jeff Warley goes by Jeff Scissahands.
Jeff Tarpley goes by Jeff T..
6'4'' he says it in the video at the attached link
Jeff Ailshie goes by Wildman Jeff Anderson.
Jeff Kueppers goes by Kippers.
Jeff Seidman goes by Skip.
Jeff Roenning goes by Roenner.
Jeff Kopas goes by Zippy.