BowlMan.EXE

BowlMan.EXE is a NetNavi whose body is completely composed of objects related to bowling. In fact, he uses bowling balls and pins to attack.

MegaMan Battle Network 3
BowlMan appears in the Blue version of the game, while MistMan.EXE is in his place in the White version. He holds Rank 2 in the Undernet and appears in the NetBattle Computer from the TV Studio in Beach Street. After being defeated, he'll give up his rank to MegaMan and tell him where to find "S". BowlMan can be battled again in that exact location.

MegaMan NT Warrior Axess
BowlMan first appears in episode 6 of Axess as a NetNavi in a bowling alley, but a Darkloid presents him with a Dark Chip to help him improve his game. BowlMan then becomes a Darkloid after using it and battles on their behalf. He is later revived by Dr. Regal but is deleted by MegaMan with Metal Soul.