Zombie spawning script (Local) (Lua 5.1)

--Curtis Joseph Winkler (AvidMalignus)
--Script that spawns a zombie off a player's corpse after a short period of time.
--5/12/2015 @ 11:02 AM
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local Workspace = game:GetService('Workspace')
local Players = game:GetService('Players')
---
local InsertService = game:GetService('InsertService')
local Zombie = 0
---
local Player = Players.LocalPlayer
local Character = Player.Character or Character.CharacterAdded
local Humanoid = Character:WaitForChild("Humanoid")
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function WaitForChild(start,...)
        if not start:IsA("Instance") then return end
        local currentObj = start
        for _,v in pairs{...} do
                if type(v) == "string" then
                        currentObj = currentObj:WaitForChild(v)
                end
        end
        return currentObj
end
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local function SpawnZombie()
if Humanoid.Health and Humanoid.MaxHealth == 0 then
local ZombieModel = InsertService:Insert(Zombie):GetChildren([1])
ZombieModel.Parent = Workspace
local ZHRP = WaitForChild(ZombieModel,"Character","HumanoidRootPart")
ZHRP.CFrame = CFrame.new(Vector3.new(WaitForChild(Character,"HumanoidRootPart","CFrame")
   end
end