Commander Shepard is the main protagonist of the Mass Effect video game series developed by BioWare. Players can customize Shepard's appearance, gender, and background, influencing the story and interactions with other characters. Shepard is a skilled soldier and leader, tasked with saving the galaxy from various threats, including the ancient race known as the Reapers. Throughout the series, Shepard builds a diverse team of allies, including characters like Garrus Vakarian and Tali'Zorah. The choices players make as Shepard affect the game's outcome, leading to multiple endings. The character has become iconic in gaming culture, representing themes of heroism and sacrifice.