The law firm serving the order is Blaney's own law firm. The whole thing sounds like a publicity stunt. The reason Blaney isn't serving the order in California is because it would be worthless: you can't copyright a name, and people have a right to anonymous free speech and satire. For an anonymous author to use a slightly offensive variation of Blaney's name to make fun of him and his positions is precisely what US free speech laws are about.

I am Donal Blarney's left nipple!

Was it worth making the account just for that?

I guess at least with slashdot you can count on a dupe and use the joke twice.

claiming to be this guy in various contexts. Streisand effect here we come.