POKEMON cheat codes
How To Get "MEW", The Famous Pokemon.
Go to Lavender Town. Ask the Nickname Changer to change your "Abra's" name to MEW. Make sure Abra is the only pokemon in your belt at the time.Go to the item menu, go to the 13th item and press SELECT at least 8 times. Then ask the Nickname Changer to change your Abra's name again. He won't and you now have a MEW!!!!!
How To Get Missingno.
Go to Cinnabar Island. Trade with one of the people in the research lab. Then SURF up and down the shore to the right of the screen until you get in a battle. If the screen goes black for 5-10 seconds, Missingno will appear!