Left for dead 2 common infected in gmod?

Is it possible to get the l4d2 common infected in gmod? After mounting it all i see are survivors, special infected and props.

I dont think because there are many many models, and you know why? Left 4 dead uses a model system that results in combinations, the result of this is many models that arent actually stored (to save memory). For example, one infected might have different blood stains than another. But there are base models, just very little detail. Im basing this on something I read about left 4 dead using combinations to save memory. I might me wrong. But for garry to do this he would have to implement a similar system only more complex. Forgive me if I am wrong :frowning: