From Cartoon Network's massively popular show Ben 10, it's Four Arms!
In an attempt to one-up his rival Kevin 11, kid-hero Ben Tennyson returns to the place where he found the mysterious Omnitrix. In the rubble, Ben discovers a previously missed "key" that fits into the body of the watch and kicks his alien heroes up to the next level with Omni-Kix Armor! Look out bad guys... these armored aliens are ready for even bigger battles!
Four Arms is armed for battle with his massive Omni-Kix Armor! His powerful armor-clad boxing gloves deliver intense blows and when a villain is just out of reach. Four Arms can send his fists flying through the air... KABLAM! Bad guy down!