Jeong Su-in / Heidi (정수인) Seol Kang-woo (설강우) Choi Jun-kyung (최준경) Kim Cheol-min (김철민) Kang Won-seok (강원석) The primary antagonists of the series.
In general, Parasite intelligence is comparable to humans, though their thought process is strictly rational and cold, with very little emotion.
They are also capable of learning extremely quickly depending on their environment – Migi, for example, mastered Japanese after one night of reading books on the subject.
While most Parasites initially acted alone, causing a chain of multiple grisly deaths coined the "mincemeat murders", they eventually form groups for safety in numbers.
In the Tokyopop publication the main character's name was Shin and his hand was called "Lefty", as the image had been flipped to read left to right.