Strontians in comics and movies.
Strontian heroes and villains.
Strontians are very long lived and have many physical attributes which are greater than that of the human race. Some Strontians however are chosen to undergo a process called the "Gladiator procedure" in order to be selected as the representative of the Strontian race in the Imperial Guard. Gladiator is the last of his race and the last Strontian to have undergone the process making him of the most powerful in the history of his people and also one of the physically strongest beings in the Marvel Universe.