A hardcore fan of the musician Emilie Autumn. Not to be confused with a Muffin, who is a less active fan of her music.
They can often be found wearing corsets, drinking tea, crafting, or "spreading the Plague" aka advertising Miss Autumn's music to the world.
The also refer to themselves as inmates in "The Asylum"
Emilie Autumn: What time is it, Muffins?
Just normal muffins/fans: ...?
Plague Rats: TEA TIME!