Jin Gasu

aka Grandpa/Elder Han is an old man sweeper that Noh met in the heavenly dragon castle.

Often when drinking he would tell the stories of how he attempted to put the whole world under his feet and his great battles against the great murim figures, tales everyone took as creations of his mind. He takes a liking to the triplets and acts like a grandparent figure for them and also later as a teacher.

Appearance
Note: This section is under construction and revision.

History
Note: This section is under construction and revision.

Power and Abilities
Note: This section is under construction and revision.

Trivia

 * He is the protagonist of the second novel set in the same world (third if we consider Red Storm that shares the same universe) writen by the author of Peerless Dad, Pojol Jin Gasu. The novel is about Jin Gasu a military/police officer (포졸) of the Podocheong(포도청).
 * After Learning from The record of the Heavenly Establishment he became one of the greatest masters of all time.