All of them
its not a tm or a hm your pokemon hast to learn it
you look for the Pokemon idiot. learn how to spell
golbat can learn mean look
No Pokemon know mean look in victory road however if you go to sky pillar you can find sableye which can have mean look. However, if you catch a Golbat it can learn Mean Look but it will have to be a TM.
it learns it at lvl 8 or any othe time if you go to the move teacher
i dont know where the fladoodles you guys get this stuff, there is no silver apricorn. there NEVER WILL BE. look in your apribox. DO YOU SEE A SPOT FOR IT? HOW MANY HOLES DO YOU SEE FOR THE APRICORNS?
you look at them
Eventually if you level up your Pokemon then it will learn the move mean look. For example watchog will learn mean look
gastly
You have to level it up look up the Pokemon you want to know what it is using bulbapedia and if you scroll down eventually you find a list of all the move your Pokemon can learn it will say also what type of attack it is and its pp
golbat
Any ghost type Pokemon can learn it.