Rick Grimes is a fictional character from the comic book series and television show, The Walking Dead. He is portrayed as a former sheriff's deputy who wakes up from a coma to find a world overrun by zombies. Throughout the series, Rick becomes a leader of a group of survivors, navigating the challenges of a post-apocalyptic environment. Rick is known for his strong moral compass and determination to protect his family and friends. His character evolves significantly as he faces various threats, both from the undead and other human survivors. He is often depicted as a symbol of resilience and the struggle for survival in dire circumstances.