A few gimmicks:
•They can manually rotate parts of their face, making different mixed expressions.
•When they hold their breath, their head randomly scrambles, which is a HUGE pain for him to fix.
•He also has the ability to change sizes of his cube head, from 2x2x2 all the way to 5x5x5, but he doesn’t use it very often since it brings a lot of pain removing his own head.