Complex sentence: There, they found the cube, which can transform everything and a frozen Megatron, while Frenzy (Reno Wilson) found it too, calls the Decepticons to mobilize and unfreeze Megatron.
Split into simpler sentences: There, they found the cube, which can transform everything and a frozen Megatron. However, Frenzy (Reno Wilson) found the cube too, calls the Decepticons to mobilize and unfreeze Megatron.