Thundercracker suffered from low self-esteem and longed for approval from authority figures to validate his existence. He was willing to work as hard as necessary to gain attention and praise from Megatron, but when all his efforts were ignored or taken for granted, he grew frustrated. Thundercracker felt the need to engage in ever more risky and reckless behavior in an attempt to gain Megatron's notice. Many predicted this would lead to his destruction. When next we see Thundercracker it is over ten years later, loyally serving under Starscream during the search for the Cyber Planet Keys. In the intervening years he became something of a jokester and goofball. This has often gained him the attention that he craves. Though frequently, especially when Megatron is the brunt of the joke, it is far from positive attention. Thundercracker doesn't seem smart enough to tell the difference, but he does know when to get the smelt out of Decepticon HQ before Megatron looks for someone to pummel. Here, Thundercracker Is an old decepticon, one of the last ones that are still around from the first generation of those who began fighting in the Great War. After the untold centuries of fighting he just wants it all to end so he can live on Cybertron and start an energon corn farm. His voice I envisioned would be overly Scottish, so have fun with That!