Unlock the following characters by performing the corresponding tasks:

CHARACTER - HOW TO UNLOCK
Android #16 and #17 - Beat the "16's Agitation" level in Android #18's storyline
Android #18 - Beat the "Differences in Experience" level in Krillin's storyline
Babidi - Beat the "Evil Discovered" level in Vegeta's storyline
Bardock - Beat the "Fateful Reunion" level in Goku's storyline
Broly - Beat the "Legends of Devil!" level in Goku's storyline
Buu (Good) - Beat the "Super Buu Has Emerged!" level in Gotenks' storyline
Cell (Complete) - Beat the "Body: Successful!" level in Cell Complete's storyline
Cell (Second Form) - Beat the "18, Activate" level in Dr. Gero's storyline
Cell Jr. - Beat the "Cell Jr." level in Cell's (Second Form) storyline
Cooler - Beat the "A Battle of Blood Relations" level in Frieza's storyline
Dabura - Beat the "The Gate to the Other World" level in Buu's storyline
Dende - Beat the "Cooler's Armored Squad" level in Piccolo's storyline
Dr. Gero - Beat the "Ambition" level in Gohan's storyline
Frieza - Beat the "Enraged Warriors" level in Goku's storyline
Ginyu - Beat the "Battle of Namek" level in Vegeta's storyline
Gohan (Super Saiyan 2) - Beat the "Cell Game" level in Kid Gohan's storyline
Gohan (Teen) - Beat the "Golden Warrior" level in Kid Gohan's storyline
Goku (Super Saiyan) - Beat the "Showdown: Core/Cooler" level in Goku's storyline
Gotenks (Super Saiyan 3) - Beat the "Broken Door" level in Gotenks' storyline
Hercule - Beat the "Best Friend" level in Buu's storyline
Mecha Frieza - Beat the "Time in the Other World" level in Frieza's storyline
Metal Cooler - Beat the "Big Gette Star" level in Cooler's storyline
Shenron - Beat the "That Hurts, Shenron!" level in Ginyu's storyline
Super Buu - Beat the "Best Friend" level in Buu's storyline
Tien and Yamcha - Beat the "Revived! The Ginyu Force" level in Krillin's storyline
Trunks (Super Saiyan) - Beat the "Time Machine" level in Trunks' storyline
Vegeta (Super Saiyan) - Beat the "Vegeta vs Android 18" level in Vegeta's storyline
Zarbon and Dodoria - Beat the "Frieza's Irritation" level in Frieza's storyline