Erg is a fictional mutant character appearing in American comic books published by Marvel Comics.

The second and final season of the American television series The Gifted is based on Marvel Comics' X-Men properties, and follows ordinary parents who take their family on the run after they discover their children's mutant abilities. The season is connected to the X-Men film series, set in an alternate timeline where the X-Men have disappeared. It was produced by 20th Century Fox Television in association with Marvel Television, with Matt Nix serving as showrunner.