[Roblox Studio] Ultimate Trolling GUI Script

-- Settings

enabled = true -- an easy way of enabling/disabling the script
everyoneAllowed = false -- if you want everyone to have the gui

local allowed_players = {} -- type your username here

local GUI = script.AccessUI

function onJoin(player)

    if enabled == true then

        if everyoneAllowed == true then

            local clonedGui = GUI:Clone()
            clonedGui.Parent = player.PlayerGui

        else

            for i,v in pairs(allowed_players) do

                if player.Name == v then

                    local clonedGui = GUI:Clone()
                    clonedGui.Parent = player.PlayerGui

                end

            end

        end

    end

end

game.Players.PlayerAdded:Connect(onJoin)