ITT: Cool, unique details/mechanics that gamefreak wasted on shitmons

Spinda's spots are based on a 32-bit number that is randomly generated when the Spinda is spawned in a random encounter/egg. They always have 4 spots that can appear anywhere on its head. In total, there are 4.2 billion+ possible spot combinations, almost none of which will be seen because Spinda is such a weak piece of shit that even trying to use it in a single player run is a chore