Janemba expels multiple orangish-yellow energy spheres from the cannon-like holes on his body and guides them towards his opponent, creating a huge explosion.
In Dragon Ball Z: Fusion Reborn, Janemba uses this attack during his battle with Super Saiyan 2 Goku, though the Saiyan manages to dodge the blasts. Angry, the giant demon spins on his head and fires more blasts until he falls on his stomach, causing the blasts to explode on him.
Video Game Appearances
Rapid Cannon was named in the Budokai Tenkaichi series, where it is one of Janemba's Blast 2 attacks in his first form. Janemba also uses the attack in Dragon Ball Z: Ultimate Tenkaichi, during his boss fight.