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'''Glitch Pokémon''' are [[Pokémon]] in the video game series that are the result of scrambled or leftover data that can be found by use of cheat devices, [[glitches]], and other ways. Glitch Pokémon are not intentionally placed inside the game; they consist of data that the game reads incorrectly under certain circumstances. Most of them cause harmful or severe damage to a save file, but some are known to trigger negative effects that can be potentially irreversible. These effects include save-data corruption and/or deletion.
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{{Main|:Category:Glitch Pokémon|l1=List of glitch Pokémon}}
  
⚫
'''Glitch Pokémon''' are [[Pokémon]] in the video game series that are the result of scrambled or leftover data that can be found by use of cheat devices, [[glitches]], and other ways. Glitch Pokémon are not intentionally placed inside the game; they consist of data that the game reads incorrectly under certain circumstances. Most of them cause no harmful or severe damage to a save file, but some are known to trigger negative effects that can be potentially irreversible. These effects include save-data corruption and/or deletion.
  
   
 
== Explanation ==
  
== Explanation ==
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In Generation I and II games, the variables used to refer to a specific Pokémon are [[Wikipedia:Byte|large enough to hold 256 possible values (including 0)]]; this is because [[Wikipedia:Binary numeral system|variable sizes must be powers of two]], and the next smallest size is 128 values, which would not have been sufficient. A similar situation exists in Generation III and IV games, with the variables each being able to hold 512 values (again, including 0).
  
In Generation I and II games, the variables used to refer to a specific Pokémon are [[Wikipedia:Byte|large enough to hold 256 possible values (including 0)]]; this is because [[Wikipedia:Binary numeral system|variable sizes must be powers of two]], and the next smallest size is 128 values, which would not have been sufficient. A similar situation exists in Generation III and IV games, with the variables each being able to hold 512 values (again, including 0).
   
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In all cases, those variables are capable of referring to more Pokémon than there actually are in the game. When such a variable is set to refer to a non-existent Pokémon, the game ends up treating non-Pokemon data (such as graphics, music, and program code) as Pokémon data.
 +
In all cases, those variables are capable of referring to more Pokémon than there actually are in the game. When such a variable is set to refer to a non-existent Pokémon, the game ends up treating non-Pokémon data (such as graphics, music, and program code) as Pokémon data.
   
 
The effect is that in Generation I games, there are 105 glitch Pokémon, including duplicates and not including "hybrids". In Generation II games, there are exactly 5 glitch Pokémon (including [[Glitch egg|EGGs]]). In Generation III games, there are 101 glitch Pokémon (because [[Unown]]'s twenty-six forms count as twenty-six separate species, forming a total of 411 non-glitch Pokémon). <!-- Don't know how many are in Gen IV. Depends on whether all UNOWN are still stored as separate species, or not. Similarly, Burmy and pals also complicate matters. -->
  
The effect is that in Generation I games, there are 105 glitch Pokémon, including duplicates and not including "hybrids". In Generation II games, there are exactly 5 glitch Pokémon (including [[Glitch egg|EGGs]]). In Generation III games, there are 101 glitch Pokémon (because [[Unown]]'s twenty-six forms count as twenty-six separate species, forming a total of 411 non-glitch Pokémon). <!-- Don't know how many are in Gen IV. Depends on whether all UNOWN are still stored as separate species, or not. Similarly, Burmy and pals also complicate matters. -->
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**"'M" actually refers to a handful of glitch Pokémon who share a name.
  
**"'M" actually refers to a handful of glitch Pokémon who share a name.
 
*[[LM4]]
  
*[[LM4]]
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*[[A (uppercase)|A]]
 +
*[[A (Uppercase)|A]]
 
*[[A (lowercase)|a]]
  
*[[A (lowercase)|a]]
 
*[[ゥ]] or [[ゥ|Chiisai-u]]
  
*[[ゥ]] or [[ゥ|Chiisai-u]]
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*[[.4]]
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*.4
 
*[[Charizard 'M]]
  
*[[Charizard 'M]]
 
*[[h POKé]]
  
*[[h POKé]]
  +
*[[P PKMN P]]
   
 
=== Pokémon Yellow ===
  
=== Pokémon Yellow ===
 
*[[MISSINGNO.]]
  
*[[MISSINGNO.]]
 
**Note that ''Yellow''<nowiki/>'s MISSINGNO. varies substantially from the one(s) found in the ''Red'' and ''Blue'' versions.
  
**Note that ''Yellow''<nowiki/>'s MISSINGNO. varies substantially from the one(s) found in the ''Red'' and ''Blue'' versions.
−
*[[3TrainerPoké]]
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*[[3TrainerPoké ]]
 
*[[♀]]
  
*[[♀]]
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*[[X - x]]
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*X - x
 
*[[Q]]
  
*[[Q]]
 
*[[7g]]
  
*[[7g]]
−
*[[4..]]
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*4..
−
*[[P pkmn]]
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*P pkmn
−
*[[Z4]]
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*Z4
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*[[4CH4hi]] (encountered by glitch [[Misty]] only)
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*4CH4hi (encountered by glitch [[Misty (game)|Misty]] only)
 
*[[44Hy]]
  
*[[44Hy]]
   
 
=== Pokémon Gold, Silver, and Pokémon Crystal ===
  
=== Pokémon Gold, Silver, and Pokémon Crystal ===
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*[[?????]]
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*?????
 
**"?????" actually refers to four glitch Pokémon who share a name.
  
**"?????" actually refers to four glitch Pokémon who share a name.
 
*[[Glitch egg|EGG]]
  
*[[Glitch egg|EGG]]
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=== Pokémon Ruby, Sapphire, and Pokémon Emerald ===
  
=== Pokémon Ruby, Sapphire, and Pokémon Emerald ===
 
*[[??????????]] (colloquially known as "Decamark")
  
*[[??????????]] (colloquially known as "Decamark")
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*[[?]]
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*?
 
**"?" refers to several glitch Pokémon who share a name.
  
**"?" refers to several glitch Pokémon who share a name.
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*[[Bad egg]]
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*[[Bad EGG]]
 
*[[B óË ÁN]]
  
*[[B óË ÁN]]
   
 
=== Pokémon Diamond, Pearl and Platinum ===
  
=== Pokémon Diamond, Pearl and Platinum ===
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*[[Bad egg]]
 +
*[[Bad EGG]]
 
*[[DPBox]]
  
*[[DPBox]]
 
*[[Invisible Shiny Bulbasaur]]
  
*[[Invisible Shiny Bulbasaur]]
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===Pokémon Black and White===
  
===Pokémon Black and White===
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*-----
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*Rayquaza
  
−  
−  
 
*[[Wild Egg]]
  
*[[Wild Egg]]
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*[[Wild Manaphy Egg]]
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*Wild Manaphy Egg
   
 
== Gallery ==
  
== Gallery ==
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The following images show some glitch Pokémon and some of their effects.
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The following images show some glitch Pokémon.
   
 
<gallery>
  
<gallery>
 
File:Missingno.jpg|A [[MISSINGNO.]] encounter.
  
File:Missingno.jpg|A [[MISSINGNO.]] encounter.
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File:LM4.jpg|[[LM4]]
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File:LM4.jpg|A [[LM4]] encounter.
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File:Glitch 1.gif|[[ゥ]] or [[ゥ|Chiisai-u]]
+
File:Glitch 1.gif|[[ゥ]] or [[ゥ|Chiisai-u]]
 
File:Glitch 3.gif|[[ゥ]] or [[ゥ|Chiisai-u]] fighting a [[Pikachu]].
  
File:Glitch 3.gif|[[ゥ]] or [[ゥ|Chiisai-u]] fighting a [[Pikachu]].
 
File:Glitch.png|[[A]]
  
File:Glitch.png|[[A]]

Revision as of 03:40, 21 February 2015

Glitch Pokémon are Pokémon in the video game series that are the result of scrambled or leftover data that can be found by use of cheat devices, glitches, and other ways. Glitch Pokémon are not intentionally placed inside the game; they consist of data that the game reads incorrectly under certain circumstances. Most of them cause harmful or severe damage to a save file, but some are known to trigger negative effects that can be potentially irreversible. These effects include save-data corruption and/or deletion.

Explanation

In the Pokémon games, a variety of variables are used to identify the species of a Pokémon. During a battle, for example, variables in the game's memory would store the species of your Pokémon and your foe's Pokémon. Glitch Pokémon exist because these variables are (by necessity) too large.

In Generation I and II games, the variables used to refer to a specific Pokémon are large enough to hold 256 possible values (including 0); this is because variable sizes must be powers of two, and the next smallest size is 128 values, which would not have been sufficient. A similar situation exists in Generation III and IV games, with the variables each being able to hold 512 values (again, including 0).

In all cases, those variables are capable of referring to more Pokémon than there actually are in the game. When such a variable is set to refer to a non-existent Pokémon, the game ends up treating non-Pokémon data (such as graphics, music, and program code) as Pokémon data.

The effect is that in Generation I games, there are 105 glitch Pokémon, including duplicates and not including "hybrids". In Generation II games, there are exactly 5 glitch Pokémon (including EGGs). In Generation III games, there are 101 glitch Pokémon (because Unown's twenty-six forms count as twenty-six separate species, forming a total of 411 non-glitch Pokémon).

Lists of glitch Pokémon by game

Pokémon Red and Blue

Pokémon Yellow

  • MISSINGNO.
    • Note that Yellow's MISSINGNO. varies substantially from the one(s) found in the Red and Blue versions.
  • 3TrainerPoké
  • ♀
  • X - x
  • Q
  • 7g
  • 4..
  • P pkmn
  • Z4
  • 4CH4hi (encountered by glitch Misty only)
  • 44Hy

Pokémon Gold, Silver, and Pokémon Crystal

  • ?????
    • "?????" actually refers to four glitch Pokémon who share a name.
  • EGG

Pokémon Ruby, Sapphire, and Pokémon Emerald

Pokémon Diamond, Pearl and Platinum

Pokémon Black and White

Gallery

The following images show some glitch Pokémon.

Community content is available under CC-BY-SA unless otherwise noted.
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