The Father of The Shadow Dragons

Black Smoke Shenron (Aku Shenlong; "Evil Shenron") is an evil dragon in the Dragon Ball franchise. He makes his debut (and ultimately, his only appearance) in "The Greatest Surprise", the 47th episode of Dragon Ball GT, which premiered on June 4, 1997. Black Smoke Shenron is made by overusing the Dragon Balls. It was him that gave birth to the Shadow Dragons.