Whenever I'm on the Mic or Writing a verse or on the TurnTables, it's TheGDog. Had this handle since '92. Cause when you're a Down-a$$ mofo, your compadres just naturally tack-on the "Dog" part. (Also first name stars with a G) Although sometimes I'll get G-Money thrown around a few by others as well. But in general the "Dog" part refers to the tenacity to never quit. Like the way a Dog won't let go once it's clamped down on something it wants to kill.
In written form I always make sure to preface it with "The" since the name is more vague, lotta other people, understandably also make use of same handle. Also go by TheGDizzo to make use of the f'shizzle talk way of writing it, which I incorporated into verses a time or two. The later way of writing it works better for Internet stuff as well since more unique to search on.