Director Song Jeong-ryul, who used Tae Kwon V in his works without permission

The person who created Fly! Space Battleship Turtle
At first, he didn't tell Kim Cheong-gi, but he eventually obtained permission
In fact, Fly! Space Battleship Turtle also had plagiarism controversies, but
Director Song went on to work on Dino Puppy Doo-ri, Once Upon a Time, Fly! Superboard, Kkobibbi, and Black Rubber Shoes.