Remember these guys?
That's Francis up there. Yeah. At one point in time, he and the other three survivors of Left for Dead looked ... how do I put this politely? Iteration is important, let's just say. Valve has graciously released the original character models for use in Left 4 Dead 2.
"It was an interesting walk back through our content tree to find all the various pieces and versions," writes Valve. "Depending on your definition of the old models, some of these may vary in some slight detail as we work in an iterative process and never internally defined a version of these models. They have always just been Zoey, Louis, Bill, and Francis to us."
The Gang is Getting Back Together [Left 4 Dead]