000

• #000 MissingNo., a glitch Pokémon in Generation I whose Pokédex number is 0
• #000 'M, a glitch Pokémon in Generation I whose Pokédex number is 0
• #000 $, a glitch Pokémon in Generation I whose Pokédex number is 0
• #000 g g, a glitch Pokémon in Generation I whose Pokédex number is 0
• #000 ?????, a glitch Pokémon in Generation II whose National Pokédex number is 0
• #000 ??????????, a glitch Pokémon in Generation III whose National Pokédex number is 0
• #000 -----, a glitch Pokémon in Generation IV whose National Pokédex number is 0
• #000 Victini, the first legitimate Pokémon with this number, in the Unova Pokédex in Black and White and the Unova Pokédex in Black 2 and White 2

• 'M, a glitch Pokémon in Generation I whose index number is 00
• 3TrainerPoké $, a glitch Pokémon in Generation I whose index number is 00
• ?????, a glitch Pokémon in Generation II whose index number is 00
• ??????????, a glitch Pokémon in Generation III whose index number is 0000
• -----, a glitch Pokémon in Generation IV whose index number is 0000
• -----, a different glitch Pokémon than ----- in Generation V whose index number is 0000
• "Nothing", a glitch item in Generation I. It is called !j^RB or x^Y depending on the version. They both have an index number of 000
• ?, a placeholder item in Generation II. It has a hexadecimal identifier of 000

• TM00, a Technical Machine
• TR00, a Technical Record
• ZERO-ONE, an all-terrain vehicle that debuted in Pokémon Snap
• Zero Isle, a location of Pokémon Mystery Dungeon: Explorers of Time, Darkness, and Sky that divides into five parts
• Nanu, whose codename was 000 when he was a member of the International Police.

• Zero, a character of Giratina and the Sky Warrior

Additionally, any Pokémon not in the regional Pokédex that are caught from the wild by hacking will have #000 when their Pokédex entry is added to the Pokédex in Generation IV.