Incidentally the above-mentioned novel that Simon Templar supposedly wrote is titled The Pirate and features a non-anglo super-brigand/hero named Mario. Charteris in his early years wrote a novel, The Bandit, which also features  a non-anglo super-brigand/hero.
Incidentally, it's worth noting that the novel attributed to Simon Templar, titled The Pirate, features a non-British pirate hero named Mario. Charteris, in his earlier years, wrote a novel called The Bandit, which also features a non-English swashbuckler.