Once you have the Title outline for the Big Nate comic strip, and all 8 of the missing panels, fit them together in your Item Bag view. The locker combination is in blue across the middle, four panels on top and four on the bottom. Sections will lock into place when correct.
If you talk to him, he will give you the comic frame (with title) and you assemble the comics inside it. When you show it to him completed, he will give you some gum. (see related questions)
Type your answer here... talk to him
You have to assemble the comic strip from the frame (which he gives you) and the 8 missing pieces that are scattered about on Big Nate Island. (see related questions)
Go all around Big Nate's Island for slips of paper and talk to the guy in the comic store for the headline then go to items and select comic and assemble the comic and it will reveal the code for the locker.
The Klassic Komix guy gives you the title and frame for the missing comic strip pieces. You have to assemble them like a jigsaw puzzle, then show it to him. (see related question)
The guy at Klassic Komix wants you to find the pieces of a comic strip. He will give you the top and frame, and you have to find the other 8 pieces scattered about the island. When you assemble them within the frame, you will see Nate's locker combination written across the middle. If you show the comic to the guy when you are through, he will give you some gum as a reward.
The title and frame are from the guy at the Klassic Komix shop. Assemble the other 8 pieces inside the frame on your Item Bag view. (see related question)
Talk to him. He is wearing a red shirt.
When you get the comic frame from the guy at Klassic Komix, and assemble the 8 pieces of the strip, the locker combination (9305) is written across the middle of the strip. (You must assemble the comic to use the combination.)
When you collect all the comic pieces, and assemble them, there's a gap between the upper part of the comic and the lower part. In that gap it says the combination ("nine three zero five"). You can't open Nate's locker until you have assembled the entire comic.
On Big Nate island, you have to go into the Komix Shop, and talk to the guy, then find all of the Big Nate comic pieces, assemble them, and give them to him. Then he'll give you gum. *Various kinds of "effects" using gum are also available in the Store, but do not have anything to do with Big Nate Island.
The Big Nate Comic is a strip with its pieces scattered across Big Nate Island. Get the frame from the guy in the tan shirt at Klassic Komix, and find the 8 pieces at various locations. Assemble them and bring them back to himfor a useful reward.(see related question)*There is also a mini-strip drawn by Nate in the Table Football game played at the playground, and an archive of comics you can view in the comic shop basement.