Why doesnt the billboard gui show up in the players head?

game.Players.PlayerAdded:connect (function(plr)
local overhead = Instance.new("BillboardGui")
overhead.Parent = plr.Character.Head
overhead.Name = "yesdaddy"

	if plr.Name == "Plieax" then
		
	end
end)

The reason it is not working is because what Im assuming you are trying to do is make a text appear on the top with "yesdaddy" (What lmao) anyways you should make a textlabel and set the parent to overhead then say "Whateveryounamedyourtextlabel.text = "yesdaddy"