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BenWolf is a Loboan, an alien whose DNA was added to the Omnitrix and that can emit an ultrasonic howl capable of shattering rock
Heatblast, Ben 10 Omniverse
Mask of Chromastone. Ben 10: Alien Force
Ditto, a Splixson, a humanoid child alien that has the ability of clone himself without limits

The alien Echo Echo can scream at ultrasonic frequencies coloring page


More Ben 10 coloring pages