Killer Toon (Korean: 더 웹툰: 예고살인; RR: Deo Web-tun: Yeo-go-sal-in) is a 2013 South Korean psychological horror film directed by Kim Yong-gyun, and starring Lee Si-young and Um Ki-joon.

[2][3] The film was successful at the box office, as it was the first South Korean horror film to sell more than one million cinema tickets since Death Bell in 2008.

[4] A popular horror webtoon artist Kang Ji-yoon (Lee Si-young) finds life imitating her own work when her publisher turns up dead in a gruesome way, precisely mirrors the images in her latest comic.

After a series of murders are connected to her webtoon, a private detective Lee Ki-cheol (Um Ki-joon) places Ji-Yoon on the list of suspects.

[4][7] By July 15, 2013, the film grossed ₩7.79 billion (US$6.93 million).