Baki the Grappler (グラップラー刃牙 Gurappurā Baki, "Grappler Baki") is a manga series written and illustrated by Keisuke Itagaki. It was originally serialized in Weekly Shōnen Champion from 1991 to 1999 and collected into 42 tankōbon volumes. It was followed by two sequel series; Baki (バキ, officially romanized as "New Grappler Baki: In Search of Our Strongest Hero"), which was serialized from 1999 to 2005 and collected into 31 volumes, and Baki Hanma (範馬刃牙 Hanma Baki, officially romanized as "Baki: Son of Ogre"), which was serialized from 2005 to 2012 and collected into 37 volumes. A third sequel, Baki-Dou (刃牙道 Baki Dō, lit. "Baki: The Way"), began serialization on March 20, 2014.