Once you have all the extra doodle options these are some tips that will help you create a powerful doodle. Never delete a doodle. If you delete a doodle all his experience will be lost. Simply undo all of it and start over without exiting the doodle screen. When your finished you will notice your "new doodle" will have the same expierence as your last one but, with his own stats. The experience will give him a power boost to all his stats. Once you can buy brushes buy them all because each brush can give you a better attack.