The following glitch Pokémon can be found in Generation V. All can only be seen with a cheating device.
The following glitch Pokémon can be found in Generation VI. All can only be seen through a means of cheating such as through Cyber Gadget or web browser injection.
Glitch Pokémon beyond #723 have species names identical to their Pokédex number on their summary screen. In the case of Pokémon with numbers greater than 999, the number is displayed incorrectly, with a single '?' in place of all the digits except the last two (e.g. 1234 is shown as "?34".)