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????? (FF) ????? (00) Bulbasaur

Please note that some of the data described here may not be fully reliable if it depends on the contents of writable memory, such as RAM; WRAM; SRAM.

Bulbapedia link ????? (Crystal 00)
Equivalent glitch Pokémon ????? (Gold/Silver 00)
Equivalent Pokémon (Generation I) Rhyhorn
Index number (hex) 00
Index number (dec) 00
Pokédex number
Pokédex marker byte 0x50
Breeding result (when glitch Pokémon is female or paired with Ditto) ????? (00)
Type(s) Normal (Type 0x80)/
(Type 0x50)
Base happiness
Egg group Humanshape/No Eggs
Color Brown
Catch rate constant 0x50
Experience group 0x8F
Level 50: 173760 experience
Level 100: 2070060 experience
Experience yield 0x50
Gender ratio Male if Attack DV>7 (8 males to 8 females)
Wild held item Ice Berry (unconfirmed)
Egg Ticket (unconfirmed)
Sprite dimensions 56×56 px

00 (????? 00) is a dual-type "Normal" (Type 0x80)/(VRAM:8350) (Type 0x50) glitch Pokémon in Pokémon Crystal, with an index number of hex:00 (dec:00).

Crystal's 00 will escape from any kind of Poké Ball, including a Master Ball. This is because the game internally remembers whether a Pokémon is caught by the "species of Pokémon caught" byte ($c64e): If a Pokémon is caught, then this byte should hold the species of that Pokémon, and otherwise it should hold 0x00. But for 00, its species is 0x00, so even if the game determines that it is caught, later routines will think it isn't caught.


By level up

(No known moves)


  • TM01 Dynamicpunch
  • TM02 Curse
  • TM08 Rock Smash
  • TM10 Hidden Power
  • TM11 Sunny Day
  • TM16 Icy Wind
  • TM19 Giga Drain
  • TM24 Dragonbreath
  • TM28 Dig
  • TM29 Psychic
  • TM32 Double Team
  • TM37 Sandstorm
  • TM39 Swift
  • TM45 Attract
  • TM47 Steel Wing
  • HM03 Surf
  • HM05 Flash

(Source: Yuzihax's G/S/C TM/HM list)

Base stats

Base stats Level 50 stat range Level 100 stat range
HP: 80 140-186 270-363
Attack: 138 143-189 281-374
Defense: 128 133-179 261-354
Speed: 138 143-189 281-374
Special Attack: 148 153-199 301-394
Special Defense: 141 146-192 287-380

Pokédex entry

(Data not available)

Type effectiveness

(Data not available)


has been observed to evolve into a Nidoran♂ at level 1, however the evolution does not always take place and may depend on internal memory.

Methods to obtain

  1. Stabilize a bad clone.
  2. Arbitrary code execution (e.g. through TM33 outside of the TM/HM pocket; glitch Pokédex mode 9).
  3. Trade ????? (00) from Pokémon Gold and Silver.


(00) has the ability to break out of a Master Ball. If captured by modifying the foe after throwing the ball, the game may freeze without showing the Pokédex entry.

When the player views its summary, it can be used for a map corruption effect known as Missingning, due to its second type.

This glitch Pokémon can be used to hide other Pokémon below it on the deposit and move PkMn w/o Mail menus, making it applicable for ????? party overloading.

Additional sprites

The front sprites of this glitch Pokémon may be affected based on the location it is encountered, whether an item was used, and the previous enemy battle sprite.