From here are all the cool Wave 2 toys I never saw when I was a kid. Wave 2 only had freaky alien villains - there was only ever the 3 good guys from the first wave.

Disguyzor - The Deadly Deceiver

Came with two gimmicks. Had 4 different faces, which rotated vertically using a trigger in the spines on its head (in contrast, Man-E-Faces from MotU has 3 faces that rotated horizontally). Could also change in height, extending at the waist and knees a la Extendar.