Cyclops (Scott Summers), a fictional superhero appearing in American comic books published by Marvel Comics, is one of the founding members of the X-Men. Created by Stan Lee and Jack Kirby, the character first appeared in The X-Men comic books.

Cyclops is a member of a group of mutants born with superhuman abilities. Cyclops can emit powerful energy beams from his eyes, but he cannot control them without the aid of special goggles. He is known as one of the main leaders of the first generation of X-Men, a group of mutant heroes fighting for peace and equality between mutants and humans.

One of Marvel's most iconic characters, Cyclops was ranked #1 on IGN.com's "Top 25 X-Men of the Last Forty Years" in 2006, and #39 on IGN.com's "Top 100 Comic Book Heroes" in 2011. In 2008, Wizards Magazine also ranked Cyclops #106 on its "Top 200 Greatest Comic Book Characters of All Time". In a 2011 poll, Comic Book Resources readers voted Cyclops #9 on their list of top Marvel characters of 2011.