p PKMNp' ' can be encountered and obtained by performing the extended Mew glitch using a Pokémon with a special stat of 194, but it can also be obtained via the Time Capsule exploit with a Cyndaquil.
p PKMNp' ' can also be obtained by trading over a ゥ .4, its Red and Blue equivalent.
p PKMNp' ' has a glitch screen, particularly the black-box variant.
p PKMNp' ' changes the item in the player's fifth bag slot, adding hex:20 (dec:32 or 2^5) to the identifier. It is possible to obtain glitch items with this (e.g. Max Ether into GnS'l and X Speed into ws# #m#).