St. Jude 9dayswonder - a "nine days' wonder" is a (fairly old) expression for something that seems impressive at first but gets boring in short order. St. Jude is known primarily as a miracle-working saint and usually prayed to with novenas, which last for nine days. Ta-da.
Cú Chulainn noirishnodogs - comes from signs like this, and Johnny Rotten's autobiography title. "Cú Chulainn" means "Hound of Culann", so the only thing in that list that he isn't is black.
The Golem of Prague outofclay - least clever. The Golem was obvsly made out of clay, and I guess there's an unintentional reference there to the dreidel song too, just to be stereotypical. So now when I log in I get the song in my head. BAD CHOICE.