permission = {"???","???"}
speed = 64
mult = 1.2

function check(player)
	for i = 1,#permission do
		if string.lower(player.Name)==string.lower(permission[i]) then return true end
	end
	return false
end

function Leap(player)
	local torso = player.Character:FindFirstChild("Torso")
	torso.Velocity = Vector3.new(torso.Velocity.x*mult,speed*mult,torso.Velocity.z*mult)
	wait(0.5)
end

function Running(player)
	local torso = player.Character:FindFirstChild("Torso")
	torso.Velocity = torso.CFrame.lookVector * speed
end

function onPlayerRespawned(newPlayer)
	local hum = newPlayer.Character:FindFirstChild("Humanoid")
	hum.Running:connect(function() Running(newPlayer) end)
	hum.Jumping:connect(function() Leap(newPlayer) end)
end

function onPlayerEntered(newPlayer)
	if check(newPlayer) then
		newPlayer.Changed:connect(function (property)
			if (property == "Character") then
				onPlayerRespawned(newPlayer)
			end
		end)
	end
end

game.Players.PlayerAdded:connect(onPlayerEntered)