Adolescent Gohan - Defeat Kid Gohan's Story.
Trunks - Complete Vegeta's Story.
Uub - Defeat him at the World Martial Arts Tournament Arena in the event that you complete off Kid Buu with the Super Spirit Bomb amid Goku's Story.
Vegeta - Defeat him as Goku in Dragon Universe.
Vegeta (SSJ4) - Defeat Goku as SSJ4 Vegeta once you discover him amid Vegeta's second playthrough before you battle Kid Buu.
Vegito (Goku) - Defeat Super Buu as Goku in Dragon Universe.
Vegito (Vegeta) - Defeat Super Buu as Vegeta in Dragon Universe.
Videl - Go to the Plains as Adult Gohan amid his story.