Ben (once again as Four Arms) then helped defend Dexter's ship against the Fusion Spawns in order to buy him and Professor Utonium time to fire the cannon.
Ben was able to bypass Mojo's security system as the Galvanic Mechamorph he called ' Upgrade.'ĭespite a Fusion Spawn attack, the part was recovered without a hitch. Mojo's lair was raided by a team consisting of Ben, Numbuh Two, Bubbles, and Blossom. Unfortunately, two key parts to the EPC were in the custody of both his nemesis, Mandark, and the villain, Mojo Jojo. With the help of Professor Utonium, Dexter developed plans for an Electronic Pulse Cannon to disable the Terrafusers. In the Manga, after the first Terrafusers landed on Earth, ten-year-old Ben (as Four Arms) teamed up with Dexter to defend Foster's Home, Mac, and Bloo from the Fusion Spawn invaders.