Dr. Simon Fessenden

Dr. Simon Fessenden is the main antagonist and final boss of the arcade game Cadillacs and Dinosaurs.He wants to destroy the world and create a new one inhabited by dinosaur-human hybrids which he created

History
Fessenden is the leader of the black merchants, a group of mercenaries who capture and kill dinosaurs and work for him.It is eventually rebealed that Fessenden is creating reptile-human hybrids and is about to spread them over the world so he can create what he calls "a new and better planet".The characters realize that he is crazy and must be stopped.The players head to the Doctor's laboratory which is underground.Eventually they find Fessenden and prepare to fight him.In the first part of the final battle he transforms himself into a mutant dinosaur hybrid,but is defeated easily.However,he then mutates again,this time into a hideous reptilian creature with two dinosaur heads that breathe fire and his own head in his chest.After a long and difficult battle,Fessenden is defeated again,this time once for all.Just before dying,he says his last words,and then falls lifeless,but without triggering his self-destruct device which causes the lab to explode.