MissingNo.

Unused content in the Pokémon games

Unused map locations | Early English promotional Pokémon names | Eternal Flower Floette | Bird type | Unused music | Unused encounter system (Yellow) | Unused Bulbasaur slot machine symbol | Unused Shadow Pokémon | Cacophony | Unused Japanese list strings (Generation I) | Unused items | Unused Pokémon data | Unused and redundant Egg moves

See also: S.S. Anne Ship Truck

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File:Oldmanmissingno1.jpg

A player encounters a varient of MISSINGNO. (1F) through the use of the Old Man Trick

MISSINGNO. is a shared name, it corresponds to the particular varients of Glitch Pokémon which occupy in total, 39 slots in between legitimate Pokemon on Pokémon Red, Pokémon Blue and Pokémon Yellow. The term is most commonly used to refer to the varient of MISSINGNO. with an index number of 31 (or 1F in hexadecimal) which knows Water Gun twice and Sky Attack as its starting moves. This form of MISSINGNO. is well known because it can always be encountered through the use of the Old Man Trick regardless of the characters in the player's name (unless the name does not include a hidden end character symbol), it is also well known because it is part 'BIRD' type, an unused Pokémon type which is never used in the final game through normal gameplay.

As a misguiding generalisation to all other Glitch Pokémon

Many players decide to name other Glitch Pokémon that the game does not actually refer to as 'MISSINGNO.' by default as 'MISSINGNO.', as a general term for all Glitch Pokémon. However, this can be misguiding especially when concerning some Glitch Pokémon such as 'LM4' as no evidence suggests that those were 'Missing numbers' once planned to exist in the final game by the game developers.

The origin of MISSINGNO.'s name is most likely to be a placeholder or an error handler in the sense that it is a name used for any Pokemon that does not exist in the coding. The fact that Glitch Pokémon beyond a hexadecimal value of 190 are not labelled 'Missingno.' and have irrational names can suggest that the collective term 'MISSINGNO.' itself is a beta element of the game, used for any Pokémon which may have been removed.

MISSINGNO. in Pokémon Yellow

Although Nintendo removed the Old Man Trick in Pokémon Yellow, different varients of MISSINGNO. still exist within the coding of the game. Missingno. still exists in the same 39 unused slots like in Pokémon Red and Blue, however it could be suggested that most of its data was wiped out as when the player encounters the 'Yellow Missingno' the game will often crash.

Without the use of an external device, the player can use the Ditto Trick to encounter MISSINGNO. on Pokémon Yellow, this way the player can encounter the different varients of MISSINGNO. by using a Special Stat which corresponds to the relevent index number.

Glitches which the Generation I Pokémon games label 'MISSINGNO.'

Below is a table of all of the Glitch Pokémon in Pokémon Red, Pokémon Blue and Pokémon Yellow which the game refers to as 'Missingno.'

Name	Index Number	Hexadecimal Identifier	Family (Pokédex number)
MISSINGNO.	31	1F	000
MISSINGNO.	32	20	(Undocumented)
MISSINGNO.	50	32	(Undocumented)
MISSINGNO.	52	34	(Undocumented)
MISSINGNO.	56	38	(Undocumented)
MISSINGNO.	61	3D	(Undocumented)
MISSINGNO.	62	3E	(Undocumented)
MISSINGNO.	63	3F	(Undocumented)
MISSINGNO.	67	40	(Undocumented)
MISSINGNO.	68	41	(Undocumented)
MISSINGNO.	69	42	(Undocumented)
MISSINGNO.	79	43	(Undocumented)
MISSINGNO.	80	44	(Undocumented)
MISSINGNO.	81	45	(Undocumented)
MISSINGNO.	86	46	(Undocumented)
MISSINGNO.	87	47	(Undocumented)
MISSINGNO.	94	47	(Undocumented)
MISSINGNO.	95	48	(Undocumented)
MISSINGNO.	115	73	000
MISSINGNO.	121	79	(Undocumented)
MISSINGNO.	122	7A	(Undocumented)
MISSINGNO.	127	7F	(Undocumented)
MISSINGNO.	134	86	(Undocumented)
MISSINGNO.	135	87	(Undocumented)
MISSINGNO	137	89	(Undocumented)
MISSINGNO.	140	8C	(Undocumented)
MISSINGNO.	146	92	(Undocumented)
MISSINGNO.	156	9C	(Undocumented)
MISSINGNO.	159	9F	(Undocumented)
MISSINGNO.	160	A0	(Undocumented)
MISSINGNO.	161	A1	(Undocumented)
MISSINGNO.	162	A2	(Undocumented)
MISSINGNO.	172	AC	(Undocumented)
MISSINGNO.	174	AE	(Undocumented)
MISSINGNO.	175	AF	(Undocumented)
MISSINGNO.	181	B5	(Undocumented)
MISSINGNO. (Kabutops Fossil form)	182	B6	000
MISSINGNO. (Aerodactyl Fossil form)	183	B7	000
MISSINGNO. (Lavender Town Ghost form)	184	B8	000

See also

1. Old Man Trick
2. Placeholder
3. Bird Type
4. Glitch Pokémon

External Links

1. [1] - A Youtube video of a player performing the 'Old Man Trick' in order to encounter and capture the varient of MISSINGNO. with an index number of 31 (1F in hexadecimal)
2. [2] - A Youtube video of a player using the Ditto Trick with a Special stat of 31 to encounter a Level 7 MISSINGNO.