Found in the Pokémon Red and Blue versions by doing Method #3 of the Mew glitch using a Pokémon with a special stat of 192, if it is raised to a certain level such as 42 or 13, the game may unexpectedly freeze, which can be avoided by giving it enough experience to pass those levels. Since the player needs to press the A button or B button several times in order to see "a" (the letters are displaced), it is recommended that the player renames . 's Yellow version equivalent is 4 4Hy. Its number in the Pokédex is #061, which is the same number as Poliwhirl's. This is because a is a hybrid of it.
After has been seen its sprite will change to its second sprite.
does not have any evolutions, but its Yellow version equivalent, 4 4Hy does (it evolves into the Glitch Pokémon Q ◣).