Groundhog (Sean Bernard) is a fictional superhero in the Marvel Comics Universe. His first appearance was in Alpha Flight Special #1. Batman and Superman, two of the most recognizable and iconic superheroes. ... Marvel Comics is an American comic book line published by Marvel Entertainment, Inc. ...

Sean Bernard was once a Vancouver police officer. Sean was ambushed by some of his fellow officers once Sean reported them to internal affairs for drug trafficking. Saved by Wolverine Sean was soon taken into the custody of Department H and trained as one of their agents. This is where he met James Hudson the original Guardian. Guardian (James Mac MacDonald Hudson, a. ...

James gave Sean a battlesuit the Groundhog suit that was originally intended for the purpose of terra-forming and Sean was inducted into The Flight, the precursor to Alpha Flight. After their first mission against Egghead Sean gave up heroics and challenged James to wear the suit himself. James Hudson became Guardian soon after.