Sergeant Wojick is a character seen in Call of Duty: World at War (Nintendo DS), in the mission "Boot Camp". He is the course instructor that teaches the player how to mantle, crouch, and climb through the obstacles. He is not seen again after that.
Wojick was the course instructor for an obstacle coarse that many new recruits had to complete to pass basic training. Rook, a new recruit, meets up with him to instruct him on how to mantle, crouch, and climb through the obstacles. After Rook completes the obstacle coarse, he isn't heard from again.