It's The Code! On a doormat.
Your love of brains, either it's geeky or because you're undead.
It's love, baby, nerd love.
If you're not well equipped, you may be in trouble
Hey, what's in the sky? It's definitely not a bird.
Isn't he just so cute? Poo and all.
Do you believe the truth is out there?
You are the one who knocks, chemically speaking.