How many knives does it take to kill George Romero in Call of the Dead?

In the "Call of the Dead" map from "Call of Duty: Black Ops," it takes a total of 8 knives to kill George Romero. This iconic character is a formidable boss zombie that players encounter while trying to survive the undead onslaught. Using melee attacks is one strategy to take him down, but players often need to be cautious due to his powerful attacks.