From the Super Mario Wiki
“Above us, on the top floor, there is a Dojo. We are here! Always! Training at the Dojo! Unless our Master isn't here, in which case the Dojo's closed. A letter just arrived saying The Master will return soon. We will train again soon!”
Chan is a student at the Toad Town Dojo and a disciple of the Master in Paper Mario. He is a Buzzy Beetle with a green shell and the easiest dojo resident to defeat. Chan has braided hair. His name is a reference to the martial artist turned movie star Jackie Chan.
Since he is a Buzzy Beetle, Chan has a high defense rating and cannot be hurt by fire attacks or explosions. However, he can be flipped over by jump attacks. Once Chan is flipped over, he has trouble getting back up, leaving his vulnerable underside exposed. Thus, it is possible for Mario to keep flipping Chan over, preventing the Buzzy Beetle from attacking.
When Mario defeats him, he earns the First-Degree Card.
According to Goombario, Chan has deep admiration for the Master. However, this admiration apparently borders on idol worship.
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