Armada Overload was also repainted and renamed as Ultra Magnus with Knock-Out, and re-released in the 2004/2005 toyline, Transformers: Energon. Although he did not feature in the animated series, the second Headmaster-style toy of the line did - Omega Supreme (although Omega Supreme, like Sideways, has a permanent head).
Read more about this topic: Headmaster (Transformers)