We're not sure if 50 Cent meant for us to count the chorus, because if you take away those questions, there are 21 like the song's title implies.
Fightmaster, a computer technician from the Army National Guard, was briefly mentioned in a CBS article about reserve units being called up for active duty at the height of the Iraq war. CBS interviewed his wife, Beth Fightmaster, to ask how she felt about Max going to war.
The writers at Cracked brought attention to his unusually awesome sounding name 4 years later, dubbing his the "Manliest Name in the World." They even verified that this was a real person, and not just a fake name used as a prank on CBS. After becoming a mini-meme in 2007, it's been very difficult to find any more information about Max Fightmaster, since people on the internet have been using his name for fake Facebook, Myspace and twitter accounts.