Aliens/characters

Ben/13

Gwen/13

Watch.

Heatblast.

Wildmutt.

Diamondhead.

XLR8.

Grey Matter.

Four Arms.

Stinkfly.

Ripjaws.

Upgrade.

Ghostfreak.

Ditto.

Chapter 3

Overflow.

Chapter 4

Ten-Ten. (Six-Six)

Crush-Tacian. (Kraab.)