Numberman is Higure's Net Navi, and has very few attacks. Numberman shoots out dice, which explode. However many numbers are on the dice, determines just how many bombs explode. When Higure attempts to upgrade him, he goes rather berserk and tries to destroy everything.

This poor guy is usually the one who tries to reason with Higure when he goes on one of crazy ideas to win Mariko-sensei's affections. Not only that, but he also helps Higure run his chip shop, "Higureya". Eventually Numberman becomes quite good friends with Rockman and the others, resulting in a trusting bond.