You have to hit it in the middle of the top half of the locker sometimes it doesn't work but if this is for a school locker then don't do it. This will just cause it to dent and brake and your teacher or professor or whatever would make you pay for it and it's quite a bit of money!
get the comic,then it will say a number.copy it and the locker will open
If your things are in an order that they were not in before or if the locker is open when you get there.
by using a key?
Open Greg's locker.
Open Greg's locker.
Hide in your crushes locker and wait for them to open it!
Open Greg's locker.
if you leave something in an open locker you should expect that someone is going to take it. How can you say they stole it when they probably feel they found it. It wasn't like they took it out of your backpack or out of a locked locker.
find out the combination and don't do anything stupid
Click the locker again and you will get a map of the school, revealing a secret room under the file cabinet.
His locker is on the second floor of the school, and it is stuffed with junk. Once you get the comic pieces, you will see his locker combination (9305). Open it and then recover the School Blueprint from the pile. (see related question)
You go inside the school and open the locker. You will find a book take it to Greg.