OMG the paint is like shaveing cream if you put paint on something and then you use a razor on it and repeat you only have to do it twice and you will get to the bone without killing him (especialy if you go for the skull)
i put a nail in his balls shot him there with a pistol ramed a spike up inbetween his legs and out his left shoulder skined his right arm and finished him with a chainsaw to the neck