The real hilarious part? They've only been hitting my Charlie Card butt-check entry.
I haven't been able to find any links to the page other than the Usual Suspects (Universal Hub, etc) so I'm quite curious as to how this particular page got found by the spambots and am a bit grateful they haven't started branching out into other entries. For now, I've turned anonymous comment screening on just for that entry (you can't disable anonymous posting just for one entry; at least, nowhere I can see in the editor UI) and eagerly await more communications from foreign spammers.
I'd disable anonymous comments entirely, only it'd keep out Keith, Noah and the occasional newspaper editor or game designer from commenting (hi guys!) and really, Mr. Spatch says with a hint of "Five horny college students alone in a cabin deep in the woods with the Necromonicon in the basement? What could possibly go wrong?" goofy ironic foreshadowing, spam messages in just one LJ entry (especially one that's in the past) is kind of amusing to me.