search on the secong floor of the mansion until you find a guy that looks like a scientist, then you will see that the floor below him is cracked, just walk into the cracked floor and you will fall to the bottom floor, but there are two craxked floors, walk into the bigger one because the other one will reset you downstair but not in the bottom floor
in a pokeball on the top floor of celadon mansion.
i think it's at the basement floor on a table.
u press a certain arrange of mewtwo buttons ok that should help
he is on the 3rd floor of the cinnbar mansion as far as i know hope this helps!
Gary is not in the Pokemon mansion.
Cinnibar
Enter back door of Celedon Mansion. On top floor Eevee is on a table. I don't think there is a way to evolve it into an Espeon.
Go up a floor and drop down off of the broken ledge. Go off of the first one.
in the mansion.
Evee is given to you in Celadon Mansion.
The key to the gym
On the first floor