>>44642653None. Each and every Pokemon exist for a reason. Contrary to popular /vp/ belief, shitmons, gimmickmons, and "Pokemon I don't like" aren't dex filler. Basculin, like
>>44642664 and
>>44642670 said, is the closest to "dex filler" as you can get, because it was admittedly rushed after Gamefreak realized they didn't make a common fish Pokemon.