Bag Guy

The is a character from.

Biography
The Bag Guy appears inside the Item Shop of Thieves' Town. He wears a burlap sack over his head as a sort of mask. He stands in the corner of the shop with no particular purpose, singing to himself two verses of a song containing a rhyme required to enter the Thieves' Hideout.

Although he sings about the Thief Girl, he states that he does not know anything about her. Despite this, he wonders why the thieves' boss had to lock her away.