is a dual-type Glitch/Normal glitch Pokémon.
It can be found by trading an 'M (00) from Red or Blue version to Yellow version or via the Johto guard glitch with ?????.
Like 'M (00), glitches the game in various ways, can evolve into a Kangaskhan (at level 0) and Clefairy (at level 128), changes level and stats seemingly at random.
The special stat required to catch a using method #3 of the Mew glitch is 0, although the game will display a blank text box if a special of 0 (modulo 256) is used, so cannot be obtained this way.
's weight is 1031.6 lbs and its height is 23'2" (the same as 4"4Hy), and occupies hexadecimal slot 00 in the game's memory.