Sgt. Johnson is a fictional character from the popular video game series Halo. He serves as a Marine and is known for his strong leadership skills and bravery in combat against the alien Covenant forces. His character is often depicted as tough yet humorous, providing comic relief during intense moments. In the Halo universe, Sgt. Johnson plays a crucial role in supporting the main protagonist, Master Chief. He is recognized for his iconic catchphrases and memorable quotes, which have made him a fan favorite among players. His character adds depth to the storyline and highlights the camaraderie among soldiers in the face of overwhelming odds.