In 1967, Keehan legally changed his name to Count Juan Raphael Danté, explaining the name change by stating that his parents fled Spain during the Spanish Civil War, changed their names, and obscured their noble heritage in order to effectively hide in America (the surname Dante being in fact of Italian origin).[14] (Count Dantès is the protagonist of Dumas' 1844 The Count of Monte Cristo). Keehan was prone to boasts that furthered his reputation, his most notorious one being that he'd participated in secret "death matches" in Thailand and China, winning by killing opponent after opponent before crowds numbering in the thousands.[15]
He began heavily promoting himself via comic book ads as the Deadliest Man Alive.[16] One had only to mail order for his instructional booklet World's Deadliest Fighting Secrets (in which he outlined the "Dance of Death") and they would also receive a free Black Dragon Fighting Society membership card. These comic book ads account for much of Count Dante's lasting notoriety in pop culture. They read
Yes, this is the DEADLIEST and most TERRIFYING fighting art known to man—and WITHOUT EQUAL. Its MAIMING, MUTILATING, DISFIGURING, PARALYZING and CRIPPLING techniques are known by only a few people in the world. An expert at DIM MAK could easily kill many Judo, Karate, Kung Fu, Aikido, and Gung Fu experts at one time with only finger-tip pressure using his murderous POISON HAND WEAPONS. Instructing you step by step thru each move in this manual is none other than COUNT DANTE — THE DEADLIEST MAN WHO EVER LIVED.[17]
The Black Dragon Fighting Society founded by Count Dante is an American martial arts organization and has no connection with and should not be confused with the Japanese Black Dragon Society, an ultranationalist secret society during the 1930s and 1940s.[18]
The various enmities culminated in the Dojo War incident of April 24, 1970 where Dante and some of his students performed a dojo storm on Green Dragon Society's Black Cobra Hall. According to press coverage, upon entering the school, they claimed to be police officers and attacked the rival dojo's students. The brief battle resulted in the death of one of Dante's friends and fellow sensei, Jim Koncevic.[10][19]
Former mob lawyer Robert Cooley states in his autobiography When Corruption was King that he represented Count Dante during the trial following the 1970 Dojo War incident. Cooley recalls that Dante was ultimately acquitted but not before both sides were given a stern lecture by the judge citing everyone at fault. Cooley also suggests that Dante was a mastermind in the notorious 1974 Chicago Purolator vault robbery in which 4.3 million dollars was stolen. While not one of the suspects in the trial, Dante was allegedly questioned by Illinois grand jury and ultimately passed a lie detector test. Dante died shortly before the trial was completed which resulted in the conviction of all but one person involved.[20]
Count Dante died in his sleep of internal hemorrhaging caused by a bleeding ulcer, on May 25, 1975.