Player Models are the Survivors that the player chooses on options-multiplayer, there are player models in Zombie Master, the player can also choose their name.
It is possible to note that the player Models are HL2 Skins of the citizens
In some custom servers, rotinaj can choose his own character model that are not included in the game (Sonic, Renamon, Isaac Clarke, Applejack, Rainbow Dash, Pirate and most of it)
Originally, all the characters where to have their own voice, name, ability and weapon preferences but this feature was cut because the game would gone too much RPG style.
In some custom servers, all the characters have their own voices
The following Player Models are not in the game: