Viriathus was for some years the leader of the Lusitanians in the West of the Iberian Peninsula, and he was allied with other peoples. Lutetia was the name of a city where is now Paris.
Before and after there were other Lusitanian leaders, warlords, that made war against Rome, but we don't know much about them. Some like Caucenus, Punicus and Tautalus we know the name and just some minor details.
Hamilcar Barca and Hannibal Barca are the most notable Carthaginian enemies that Rome faced, although the Carthaginian admiral Adherbal won the famous victory at Drepana, and the Spartan mercenary commander Xanthippus led the Carthaginians to victory in the Battle of the Bagradas.
burebista was a mighty king of the dacians defeating the taurisici and the boii under critasiros and turning a part of noricum/pannonia into the 'deserta boiorum' - caesar and burebista were meant to fight it out but both were assassinated before they could