Krunch and Klub, a combo Connection 1 contact that my group had (And were Ultraviolent versions of Jay and Silent Bob) showed their hidden depths a few times to the utter amazement of my group.
Klub is a heavily brain damaged Tough-As-Titanium-Nails Dwarf who is used by Krunch as, well, a club, and often is the projectile in the infamous
Fastball Special. Never shuts up, always swearing, sounds like a punch-drunk boxer who should have retired a dozen fights ago... And an expert in Chemicals and Civil Engineering.
Krunch is this
HUGE troll who never speaks, and just looms over anyone implying that violence is imminent. And, if he's around, it usually is. He's made street gangs back down just by looking at them with interest. When the group phoned him in desperation, they found out that he's got an exceptionally cultured (If deep and intimidating) voice and is a professor of parazoology at the University of Seattle.
When my group found that out, they just stared at me. I had them fully statted out and their own sheet, which I showed them to prove that this was, indeed, the backstory I had thought up for them and fully explained so. It even showed the group members as THEIR contacts at the same loyalty rating.
I really wonder why they keep being surprised about me. I don't make two-dimensional characters. Sometimes they end up in four-dimensions, but never just two!