Ultimate Echo Echo

Ultimate Echo Echo is the evolved form of Echo Echo in Ben 10: Ultimate Alien. At this point, he is the only Ultimate Form that remains unseen.

Ultimate Echo Echo
He is now blue with speaker like components attached to his body, an overall rounded design, and with longer arms and legs. There is also no sign of his power control pack, or the power control symbols ("I" on, and "O" off) on Ultimate Echo Echo. His voice has also been changed to resemble more that of a human voice, than a robotic one. He is also taller.

Abilities
He can shoot sonic discs, can shoot sonic blasts of a higher frequency, self-duplicate himself at a much faster rate than Echo Echo. He can also move faster than Echo Echo. he can go invisible

Hero Form

 * Echo Echo