He is known to be a bit arrogant and is a suck-up towards his master Oyabon. Kobon is also a rational, irresponsible, impatient and thinks that he is stronger than he actually is. Although he cannot actually throw bombs, he is a big help to Oyabon with helping him deliver stuff and support him, taking the lessons Oyabon gives to the heart.
Oyabon is Kobon's master and is supportive to Kobon. Every lesson Kobon learns from Oyabon, he would take it to the heart.