Malicious Fingers is the main antagonist of the story.

I pictured his laugh to be somewhat jokerish in which its never the same twice. Albeit looking like a mix of Dr.Wily and Dr.Eggman, I pictured him having more a Wily voice from the Megaman Cartoons. However this isn't set in stone and I am open to interpretations.

He is crazy, Unpredictable. Intelligent and Dangerous; He is usually two steps ahead of whom he deems lesser in his eyes. Only being thwarted by an overwhelming force he can't seem to stop (Jet in this case and his friends). He can be calm minded one minute, then be contemplating genocide the next and he doesn't care who gets hurt along the way to reach his goals. So if you are not useful to him in the moment he needs, you are dead weight.

He's more modelled off an typical saturday morning cartoon at the beginning being akin to that of Team Rocket in Pokemon, the monster of the week in this particular story; However as the story progresses in later chapters he becomes more and more of a threat and slowly leaves that role.

This is a link to the Globalcomix page. The voice over role will only cover the First Chapter as an Audio/Comic Dub. 

https://globalcomix.com/c/jetx

https://globalcomix.com/c/jetx/chapters/en/1/1