Isaac Clarke is the protagonist of the Dead Space series, a science fiction horror franchise. He is a systems engineer who finds himself battling grotesque creatures known as Necromorphs aboard the USG Ishimura, a massive mining spaceship. Isaac is known for his resourcefulness and courage as he fights to survive and uncover the mysteries behind the outbreak. Throughout the series, he evolves from a silent protagonist to a more developed character with a complex psychological profile, grappling with the horrific events and personal losses he endures.