its not catchable in red blue or yellow but you can glitch it up and get it.
Mew does NOT evolve
mew and mewtow
You'll need the GameShark now, but there was an past event for Mew being in Pokemon Yellow. It was the Nintendo Rep.
The only way to get Mew in Pokemon Red, Blue, and Yellow is via the Mew Glitch, which you can find on Bulbapedia.
Mew, Raichu.
No. Mewtwo is.
It can be caught in Pokemon blue/red/ and yellow.
mew
mewtwo,moltres,zapdos,articuno and mew
Pokemon liquid crystal where i can see mew
No. You have to get mew through a special game stop event or trade for one!
you didn´t get mew qith any cheats in ruby =( you can get mew with an mew-glitch in yellow (blue,red) or you can get a mew from my Pokemon ranch for diamant perl and platin but not for ruby the way to get mew in ruby is ... on a Pokemon tour (Pokemon-day ... , ) or with an cheat ... i hope i can help you :-)