Arclight (Philippa Sontag) is a mutant supervillain appearing in American comic books published by Marvel Comics. Created by writer Chris Claremont and artist John Romita Jr., she is a former military officer who later becomes an assassin. She is primarily known as a member the original Marauders team, a group of mutants who often work for the mad scientist villain Mister Sinister. As a Marauder, she has often fought the X-Men as well as related teams and heroes such as X-Factor and X-Force. Like many of the Marauders, Arclight has been killed in battle more than once, only to be revived each time by Sinister through advanced cloning techniques.