[1][2] Though sometimes seen as a graffito or form of vandalism on the church (due to the pop culture subject matter contrasted with the religious building), it is a deliberate approved addition.

[3] In the 1980s, during the construction of the northwest tower, a children's competition was run by National Geographic World to draw grotesques for the building.

Christopher Rader won third-place, with his drawing of Star Wars villain Darth Vader.

[4] The Darth Vader grotesque is difficult to see with the naked eye, and binoculars are generally needed to spot it.

Other winning designs were a raccoon, a girl with pigtails and braces, and a man with large teeth and an umbrella.