As to today, December 28, 2014.
Parasyte is a science fiction horror manga series written and illustrated by Hitoshi Iwaaki, and published in Kodansha's Afternoon magazine from 1990 to 1995. The manga was published in North America by first Tokyopop, then Del Rey, and finally Kodansha Comics USA. The manga is being adapted into two live-action films in Japan in 2014 and 2015. An anime television series adaptation is currently airing.
Tokyo Ghoul is a manga series by Sui Ishida. It was serialized in Shueisha's seinen manga magazine Weekly Young Jump between September 2011 and September 2014 and has been collected in fourteen tankōbon volumes as of August 2014.