Kingslayer

Kingslayer, a hit man specializing in political assassinations, was hired by the would be crime lord Sandor Fane (actually a dupe of the Overlord) to murder six heads of state including King Vulko of Atlantis, Prince Mark of Sardonia, Solovar of Gorilla City, Princess Evalina of Valdania, Prince Ali of Kaliph and Queen Astrid of Graustania. He was defeated by the Super Friends.