Jedward

Clyde Langer mentioned Jedward whilst he was trying to entertain the baby Sky. (TV: Sky)

Behind the scenes
Jedward were a 21st century singing duo composed of brothers Jonathan and Edward Grimes.

In the parodic sketch One Born Every Minute, the Eleventh Doctor warned Dawn and an expectant father that their babies would grow up to be the most frightening creature imaginable - Jedward.