Silverbolt, the Maximal tracker who was a Fuzor in the Beast Wars line, underwent a dramatic transformation in the Beast Machine storyline. After being reformatted by Megatron into an evil Vehicon, he was returned to the Maximal form thanks to the efforts of his love, Blackarachnia. His new body was a very stylized techo-organic condor with crystalline wings. This version of Silverbolt was available in 2000.
The combined form of the Universe Micromaster Aerialbots is Superion, an amalgamation of six robots plus their pack-in accessories that serve as connectors, head, and extremities of the gestalt warrior. While in Japan, the original source of the design ( Sixwing , 1992) was available in a collected set, this combiner needed to be purchased one bot at a time in the 2007 Universe release.