For instance, if you really like Spiderman, than Scorpion Kid might be good.;
, If you're going to find them hard to remember, make a small list of everyone's names and code names, but hide it WELL!

, Don't use something too similar to your own name, personality or likes.
 Don't make them too obvious though!

, For instance, a big fan of Skulduggery Pleasant might take some hints and tips from there, or mix and match names.
,
Think of movie and video game characters for inspiration.
Make sure you remember code names of people.
Make sure they're Cool and Hard to Understand.
Think of names that fit their and YOUR personality.
Think of stuff you've read too.
Start using your code names.

,
Don't forget them.
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