The Lemon Fool

This old thread looks relevant: viewtopic.php?f=21&t=2351&p=21495

But I haven't studied it - I simply vaguely recalled having seen something about signatures and spammers on the Biscuit Bar in TLF's early days, so did a quick search for it and up it popped...

Gengulphus

It was a general consensus that signatures added nothing to the discussions and merely became a repetitive chunk of text on every post.

Also spammers were using them for URL links to dodgy sites.