2AM's Jo Kwon spooked his followers with several photos of himself transformed into a scary nun.

On October 27th, the singer wrote, "Happy Halloween... Caution: Scary, bizarre," and uploaded the photos above, which show the singer dressed in a nun costume with paintings of blood streaming down his face.

Fans tweeted back to the singer with comments such as, "This is hilarious", "Jo Kwon is the best", "This is so scary", and "Have a Happy Halloween."

Meanwhile, 2AM is currently in Japan for their Japanese tour which began on October 23rd.

Source: Jo Kwon's Twitter