Launch is a woman who attains an odd disorder. It causes her to have a dual personality, and is triggered when she sneezes. One of her personalities is that of a kind-hearted, caring, blue haired woman. The other personality, however is that of a hostile, blonde haired who is wanted in Brown Country for commiting a multitude of crimes. We are first introduced to Launch while she is in the middle of a police chase. Although, during the chase she accidentally sneezes and returns to the state of her gentle personality. She is then saved by both Goku and Krillin while they were on their mission to find Roshi a suitable girl. After being brought to Kame House, Launch agrees to stay with Roshi. While staying at Kame House, she spends most of her time cooking and cleaning for the Roshi and the boys. After witnessing the 22nd World Martial Arts Tournament, Launch becomes quite fond of Tien Shinhan. Launch makes her first appearance in Dragon Ball Z during the Vegeta Saga. Here, we learn that she has been staying with Tien and Chiaotzu. After the death of Tien, she is shown acting somber in a bar. Her next appearance is during the Buu Saga, while she is shown contributing her energy for Goku's Super Spirit Bomb.