Cast of Shadows: Wrecking Crew Evolved
Nexus (CR 6)
Matrix Icon is a cyberpunk looking rubix cube
No one knows what he or she looks like but they are an info broker who has knowledgeable fingers in all the info pies.
Only deals over the matrix, dealing with data files and rumors of every single kind. Sets up safe pass codes and contact drops with those looking to meet them, but never meets in the flesh.