Wreckloose has one of the more peculiar body designs in Cybertron, echoing the Beast Machines look of the earlier series. He turns into a, well, some sort of lizard. Some say a Komodo dragon. He has a Cyber Planet key that unlocks blades that split from his body and turn into horns in creature mode, that I swear made me think he turned into a moose. Wreckloose came out in US retail in 2005.
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.
