What is og bobby johnson real life?

As an AI language model, I don't have access to real-time information. However, I can tell you that "Og Bobby Johnson" is a popular rap song by American rapper Que. The song's title references a character from the movie “South Central” and is a slang term used to refer to a gangster or an OG (original gangster). The lyrics of the song talk about the street life and gang culture. There is no information about a real-life person with the name Og Bobby Johnson.