The rock-and-roll-loving master of the four Kaios is introduced here.
Report: Dragon Ball Z Episode 195 – "Warriors of the Dead"
Goku and King Kai travel to the Grand Kai's planet via a specialized plane to meet the ruler of the four quadrants of the galaxy. Upon arrival, they encounter West Kai and his top student, a powerful warrior named Pikkon .
Other World Saga (serves as a transition between the Cell Games and the Great Saiyaman/Majin Buu Sagas). Animation Staff: Written by Aya Matsui. Plot Summary
A fan-favorite "Other World" warrior who becomes Goku's primary rival in this arc.
Grand Kai dispatches Pikkon to handle the threat; Goku accompanies him to observe. In Hell, the Ginyu Force attacks Goku, but he easily defeats them. Meanwhile, Pikkon demonstrates incredible power by taking out Frieza, King Cold, and Perfect Cell with minimal effort, eventually locking them all in a jail cell.
Following his death during the Cell Games, Goku is adjusting to life in the Afterlife.