Grub is a type of zombie in Road Of The Dead 2. These zombies are laying on the road as bodies but if we drive them over they will climb up on our hood.These are shirtless zombies,also they don't wear shoes but they wear only destroyed trousers.To avoid reanimating them by driving into them if you see him you can shoot him several times,that's gonna kill him.His skin is different from other undead.