My son was playing with my ipod and created a

Here's a way to reset the password of your ipod:

Plug in your iPod.
Wait for it to load completely.
Open My Computer (or computer if on Vista). Make sure you can view hidden files.
Go to iPod_control.
Go to the folder named Device.
If your iPod is locked, there will be a file _locked . Rename the file to _unlocked.
Safely remove your iPod and it will be cleared.