Isidro  

, イシドロ

Isidro was once a rebellious youth who became a thief after running away from home. he aspired to become a skilled swordsman like guts and joined him on his journey despite his lack of strength and ability. utilizing his small size, agility, and cunning, he employed various tricks and tools to aid him in his quest for greatness. initially, isidro aimed to learn from guts and surpass him by stealing his techniques. however, as he observed the vast difference in strength between them, he began to realize that there might be ways for him to become a formidable warrior. while serving as comic relief alongside puck, isidro played an essential role in the group's adventures.