Sigma Naki is his real name. Sigkin is a nickname he only lets his friends call him by. He gets upset when a stranger does it. He is a sarcastic, languid student at Fwan sowa academy, a college for gifted individuals.. however he doesnt take his education seriously. picking fights, skipping class, making someone else donhis work.. he's a bit of a cold jerk with a soft spot sometimes. He also used to be a really bad bully and a horrible person.