Autobot Wheelie never really wanted to be a Decepticon. It's just that, when people start yelling at him, he tends to do whatever they say. He's easily startled, and simple to scare. His tiny size makes him an ideal spy, and even though he doesn't like or agree with the Decepticons, they scare him so much he doesn't know what to do except obey.
Wheelie appeared in the following 3 comic books: