for pidgey

local Stunned = {Pool = {}}
local mt = {__index = Stunned}

function Stunned.new(player, target)
    local humanoid = target:FindFirstChildOfClass("Humanoid")

    if not (humanoid) then
        return nil
    end
    local self = {
        old = {
            WalkSpeed = humanoid.WalkSpeed,
            JumpPower = humanoid.JumpPower
        }
        connections = {}
    }

    self.player = player
    self.target = target

    humanoid.WalkSpeed = 0
    humanoid.JumpPower = 0

    self.connections.WalkSpeed = humanoid:GetPropertyChangedSignal("WalkSpeed"):Connect(function()
        self.old.WalkSpeed = humanoid.WalkSpeed

        print("WalkSpeed", self.old.WalkSpeed)

        humanoid.WalkSpeed = 0
    end)
    self.connections.JumpPower = humanoid:GetPropertyChangedSignal("JumpPower"):Connect(function()
        self.old.JumpPower = humanoid.JumpPower

        print("JumpPower", self.old.JumpPower)

        humanoid.JumpPower = 0
    end)
    Stunned.Pool[self] = true
    setmetatable(self, mt)
    return self
end
function Stunned:Remove()
    self.connections.WalkSpeed:Disconnect()
    self.connections.JumpPower:Disconnect()
    self.target.Humanoid.WalkSpeed = self.old.WalkSpeed
    self.target.Humanoid.JumpPower = self.old.JumpPower
    Stunned.Pool[self] = nil
    self = nil -- lose all references to self so it can be available for garbage collection
end

local stunnedInstance = Stunned.new(player, target)
-- ...
stunnedInstance:Remove()