Darth Wyyrlok (I) was Chagrian Sith Lord who served as the chief lieutenant and protector of Darth Krayt, Dark Lord of the One Sith, as well as the role of Voice during his time in stasis. Wyyrlok (I) was also the father of Darth Wyyrlok (II), grandfather of Darth Wyyrlok (III) and great-grandfather of Saarai, who was destined to become the next Wyyrlok.