Many of Robert's quotes are references to the horror movie A Nightmare on Elm Street, when he played the main antagonist, Freddy Krueger.
He also wears Freddy Krueger's iconic brown fedora in gameplay.
He dislikes Dual Wield weapons and his favorite weapon is the RPK.
He is most friendly towards Michael who returns this fondness.
He seems to dislike Danny who in turn disrespects him back.
Although Sally, George Romero's assistant, says that the celebrities disappeared, it quite possible that Englund and the others died as a result of hypothermia, or simply by being overrun by the zombies.