sawnic

local char = game.Players.LocalPlayer.Character
local hum = char.Humanoid
local anim = Instance.new("Animation")
anim.AnimationId = "rbxassetid://18537367238"
char.Animate.Disabled = true
local p = hum:LoadAnimation(anim)
p.Looped = true
p:Play()
hum.WalkSpeed = 64

--[[ TO STOP IT:
local char = game.Players.LocalPlayer.Character
local hum = char.Humanoid
char.Animate.Disabled = false
for i,v in pairs(hum:GetPlayingAnimationTracks()) do
if v.Animation.AnimationId == "rbxassetid://18537367238" then
v:Stop()
end
end
hum.WalkSpeed = 16
-- thanks to HereTheNetworkIs for reminding me
]]