Selene Gallio is a fictional character from the Marvel Comics universe, primarily known as a member of the Eternals. She is depicted as a powerful being with abilities that include superhuman strength, flight, and energy manipulation. Selene is often portrayed as a complex character with a rich backstory, including her connections to other characters in the Marvel mythos. In the comics, Selene is also known for her role as a villain, often clashing with heroes like the X-Men. Her character explores themes of immortality and the consequences of power, making her a significant figure in the Marvel narrative.