The Legend of Luo Xiaohei (罗小黑战记) is a flash animation and webtoon developed by Chinese artist MTJJ (real name Zhang Ping 章平). It derives from an animated series that was mainly broadcast online in March 2011. The franchise has also been extended to become a social media sticker series on WeChat. As of July 18, 2021, 40 episodes of "The Legend of Luo Xiaohei" are available alongside 3 extra videos, "Exam Day", "Sh…", and "Goodnight Meow". A feature-length prequel film named "The Legend of Hei" was released in Chinese and Japanese theaters in September, 2019. The series was adapted into a graphic novel in 2015, published by Beijing United Publishing. It has also been turned into a mobile game titled "Luo Xiaohei's Battle Demon Book" (罗小黑战记妖灵簿) by Beijing Manya Entertainment Culture Media Co..