Replica of a Player?

How would I go about making a replica of a players character that copies their movements and uses their tools. An exact copy of the player.

What you want may be hard, but a simple clone can be done by creating a script inside ServerScriptService.

-- Get your current Animate script, copy and paste it into ServerStorage and make it a normal Server script

game.Players.PlayerAdded:Connect(function(p)
	p.CharacterAdded:Connect(function(c)
		wait(5)
		c.Archivable = true
		local c2 = c:Clone()
		c2.Parent = workspace
		c.Archivable = false
		c2.Name = c2.Name.."Clone"
		c2.Animate:Destroy()
		game.ServerStorage.Animate:Clone().Parent = c2
		spawn(function()
			local pos = c.HumanoidRootPart.Position
			while wait(.5) do
				spawn(function()
					wait(5)
					c2:FindFirstChildOfClass("Humanoid"):MoveTo(pos,c.HumanoidRootPart)
					pos = c.HumanoidRootPart.Position
				end)
			end
		end)
	end)
end)

-- This is extremely scuffed but it's the simplest way possible.

Hope this helps!