01Mew is a Psychic-type Mythical Pokémon classified as the New Species Pokémon with Pokédex number #151.
02In Pokémon Red and Blue, Mew's Pokédex entry states: "Its DNA is almost the same as Mewtwo's. It is able to use all kinds of moves."
03In Pokémon Yellow, Mew is described as: "When viewed using an appraiser, its true identity cannot be seen, so it is suspected to be a shapeshifter."
04Pokémon Gold Pokédex entry for Mew: "Because it can use all kinds of moves, many scientists remove Mewtwo's gene segment."
05In Pokémon Crystal, Mew is noted as: "It is said to have the DNA of all Pokémon. It can use all kinds of moves."
06Pokémon Ruby/Sapphire entry: "Mew is said to possess the genetic composition of all Pokémon. It is capable of making itself invisible at will."
07In Pokémon Emerald, Mew's entry reads: "It is said to have modified its own cells with the DNA of other Pokémon to gain power."
08Pokémon FireRed entry: "Because it can use all kinds of moves, many scientists remove Pokémon genes from its body for research."
09Pokémon LeafGreen: "It was the first Pokémon ever created by humans using the genes of other Pokémon. It can freely control the DNA of other Pokémon."
10In Pokémon Diamond/Pearl, Mew is described as: "Because it can use all kinds of moves, it can do many different things in battle."
11Pokémon Platinum entry: "It is said to have the DNA of all Pokémon and is able to use every kind of move."
12In Pokémon HeartGold/SoulSilver: "When it gets into a fight, it can go head-to-head against Mewtwo thanks to its high IQ."
13Pokémon Black/White entry: "Because it can use all kinds of moves, it can do many different things in battle."
14In Pokémon X: "Because it can use all kinds of moves, many scientists remove Mewtwo's gene segment."
15Pokémon Y entry: "It has the genetic composition of all Pokémon. It is capable of making itself invisible at will."
16In Pokémon Omega Ruby: "Mew is said to possess the genetic composition of all Pokémon. It is capable of making itself invisible at will."
17Pokémon Ultra Sun entry: "A Pokémon with the DNA of all Pokémon, it can use every move there is and transform into any Pokémon."
18Pokémon Sword/Shield entry: "It can use any move there is. However, it has never been observed using its true power."
19In Pokémon Legends: Arceus, Mew's entry notes its ancient origins tied to all Pokémon ancestry.
20Japanese Red/Blue entry translation: "The ancestor of all Pokémon. It can even use moves it hasn't learned."
21Pokémon Stadium entry: "Genetic Pokémon. Capable of using all manner of PSI techniques."
22Pokémon Snap Pokédex: "The ancestor of all Pokémon. It can fly and make itself invisible."
23Pokémon Mystery Dungeon entry: "It can use any move whatsoever. It's said to have modified its own cells using the DNA of other Pokémon."
24Pokémon Ranger entry: "Because it can use all kinds of moves, it can do many different things."
25Pokémon Conquest Pokédex: "Genetic Pokémon. It is said to have the DNA of all Pokémon."
26Pokémon Dream Radar entry: "Mew is said to possess the genetic composition of all Pokémon."
27Super Smash Bros. Pokédex: "The ancestor of all Pokémon. It can use all kinds of moves."
28Pokémon Masters Pokédex: "It has the genetic composition of all Pokémon and can learn any move."
29Pokémon Café Mix entry: "Capable of flight and rendering itself invisible."
30Mewtwo Strikes Back Pokédex reference: "DNA from Mew was used to create the artificial Pokémon Mewtwo."