Wheeljack has always been a hero in the Transformers universe. Altough he appears as a villain in Transformers Armada. He is an Autobot turned Decepticon and was Hot Shot's former friend. He was trapped in the fire and Hot Shot tried to save him, but the other Autobot officers stopped him, saying that it is too dangerous. Hot Shot believed that Wheeljack is presumed dead, but Wheeljack was found by Megatron and Wheeljack joined the Decepticons.
Makeshift disguised himself as his universe's Wheeljack in order to fool the Autobots.