Nickname. His nickname "do Bronx," literally meaning "from the Bronx", as "Bronx" was a slang used for favelas and poor neighbourhoods. In an interview he revealed: "Bronx is because it's a favela, right? Outskirts, where I come from.
For the fight, the player should bet on Charles to win. If they do, then the player will receive money at the end of the fight, whereas if they don't, the player will not be rewarded with anything, effectively losing money.