Your signature mentioned “Filthy Rich” – Is there a story?

Your signature mentioned Filthy Rich, and it is also listed in your portfolio. Is there a story behind this nickname?
I was a rapper in a past life and currently perform as a bass guitarist. My hip hop band Gallery Cat was twice-nominated Best Rap Act by the Dallas Observer 2010 and 2011. I was known as Richie Rich until 1999 when a producer started calling me Filthy Rich. Now I use it as a mnemonic device. I’ve introduced myself that way to Steve Wozniak, the CEO of Capital One and my US Congressman. They all remembered my name.
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