Nappa is a character from the
Dragon Ball Z anime. He is a Saiyan from the planet Vegeta. He travels to Earth with Vegeta to find the
Dragon Balls to wish for eternal life. He is a Saiyan warrior in Freeza's army along with Raditz and Vegeta. On there way to Earth Vegeta suggests that they stop and have some fun at the planet Arlia, they destroy the planet and continue there route to Earth. As they finally land at Earth, Nappa and Vegeta are confronted by the Z Warriors (Krillen, Piccolo, Yamcha, Tien, Chaozu and Gohan) Nappa quickly disposes of Yamcha, cripples Tien which leads to Chaozu dieing also, and then Piccolo. Goku then arrives and easily outmatches Nappa, which disgraces Vegeta and *Vegeta betrays and destroys Nappa.
Nappa is then next seen in
Dragon Ball GT, in an episode, all of the villains escape from Hell and attack Earth, Vegeta (now Good) easily destroys Nappa and sends him back to hell.