Evil duck

-- I made this all by myself {:
--[[
	Epic Duck!
		By: PenguinAnonymous
		Features: Being an evil duck
		Version: 1.0
]]--
function getClass(obj,class)
	local ret = {}
	local c = obj:GetChildren()
	for i=1,#c do
		if c[i]:IsA(class) then
			table.insert(ret,c[i])
		end
		local e = getClass(c[i],class)
		for j=1,#e do
			table.insert(ret,e[j])
		end
	end
	return ret
end
local pl = game:GetService("Players").LocalPlayer
local o1 = Instance.new("Part")
local o2 = Instance.new("SpecialMesh")
o1.Parent = pl.Character
o1.Material = Enum.Material.Slate
o1.BrickColor = BrickColor.new("Dark stone grey")
o1.Position = Vector3.new(-6.5, 0.600004971, -11.5)
o1.Size = Vector3.new(1, 1.20000005, 1)
o1.Color = Color3.new(0.388235, 0.372549, 0.384314)
o1.Position = Vector3.new(-6.5, 0.600004971, -11.5)
o1.Color = Color3.new(0.388235, 0.372549, 0.384314)
o2.Parent = o1
o2.MeshId = "http://www.roblox.com/asset/?id=14810664"
o2.TextureId = "http://www.roblox.com/asset/?id=14810649"
o2.MeshType = Enum.MeshType.FileMesh
o2.Scale = Vector3.new(7,7,7)
local s = Instance.new("Sound",o1)
s.EmitterSize = 100
s.Volume = 10
s.SoundId = "rbxassetid://464979976"
local m = Instance.new("Sound",o1)
m.EmitterSize = 10
m.Volume = 10
m.SoundId = "rbxassetid://130768080"
m.Looped = true
m:Play()
local weld = Instance.new("Weld",o1)
weld.Part0 = o1
weld.Part1 = pl.Character.HumanoidRootPart
local parts = getClass(pl.Character,"Part")
for i=1,#parts do
	parts[i].Transparency = 1
	parts[i].Touched:connect(function(hit)
		local hum = hit.Parent:FindFirstChild("Humanoid")
		if hum~=nil and hum.Parent~=pl.Character and hum.Health>0 then
			hum.Health = 0
			pcall(function() s:Play() end)
		end
	end)
end
local hum = getClass(pl.Character,"Humanoid")[1]
if hum~=nil then
	hum.MaxHealth = math.huge
	hum.Health = math.huge
	hum.WalkSpeed = 50
end
o1.Transparency = 0