Charles Wells might not have had the best reputation but he was good at roulette. One evening in 1891, Charles went to the world-famous Monte Carlo Casino Resort and started playing roulette enjoying a winning streak of a lifetime (winning 23 out of 30 consecutive spins).
There may be individuals who have claimed to make a living from playing roulette, but it's important to approach such claims with skepticism and to consider the long-term statistical probabilities involved in gambling. It's generally not a reliable or sustainable way to make a living.