Clarke Griffin is a fictional character from the television series The 100, which is based on the book series by Kass Morgan. She is portrayed by actress Eliza Taylor and is known for her intelligence, leadership skills, and strong moral compass. Clarke is one of the original 100 juvenile delinquents sent to Earth from a space station called The Ark to determine if the planet is habitable after a nuclear apocalypse. Throughout the series, Clarke evolves from a reluctant leader to a decisive figure who often faces difficult choices for the greater good. Her character is central to the show's themes of survival, sacrifice, and the complexities of human nature in a post-apocalyptic world.