Dr. Ethan Goodspeed, also known as
Ethan Rom, is a
fictional character portrayed by
William Mapother on the
ABC television show Lost. Introduced in the
first season as the main antagonist, Ethan is the surgeon for the antagonistic and mysterious group known as the "
Others". He infiltrated the fuselage survivors, posing as one of them until they discovered his true identity. He then kidnapped
Charlie Pace and the pregnant
Claire Littleton, attempting to dispose of the former soon after. Ethan is one of the few characters to have more episode appearances while his character was dead rather than alive. Ethan is one of few people known to have been born on the island, as seen in the ninth episode of the
fifth season, "
Namaste".