- Cordelia: "What is this stuff anyway ? Kind of pretty!"
- Wesley: "Uh, it's the bodily excretion of an Ethros demon"
- Cordelia: "No one could have said – demon poo - *before* I touched it"
- — Cordelia to Wesley[src]
The Plakticine is the green fluorescent bodily fluid excretion product by the Ethros Demon.