Check out Hasbro description on this fan's choice:
"Fan’s choice nominee #4 is: SHOCKWAVE
“Clarity of thought is the key to deciding your actions.”
The cold and calculating mind of SHOCKWAVE makes most DECEPTICONS question and fear his true intensions. SHOCKWAVE has always secretly sought control over the DECEPTICONS, but believes all of CYBERTRON will benefit from his scientific and logical approach to rule. Perhaps as powerful as MEGATRON, SHOCKWAVE will loyally serve the DECEPTICON leader until the time inevitably comes when logic dictates that MEGATRON must be retired permanently. In the meantime, SHOCKWAVE uses his vast knowledge to plan military assaults on AUTOBOT forces and to perform gruesome experiments on other TRANSFORMERS. Perhaps his only weakness is letting his emotions get the better of him, leading to spontaneous and irrational actions.
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Stay tuned to Seibertron, Ultimate Resource of Transformers!
He may have been a mewling do-next-to-nothing on the G1 cartoon (what he did do was merely implied....as if holding Cybertron for the Decepticon cause for millions of years while Megatron was indisposed isn't epic enough!), but the comics just polished that up and made him one of the biggest baddest Decepticons ever!
