Doodles are very weak to water, as they are made of paper. Any liquid is deadly to a Doodle outside of their home dimention, taking 6d8 cold damage when comming in contact with water.

Being paper-like when out of their home dimention, they have a thickness of 1ft. Doodles are able to fit through 1ft wide gaps and have advantage on stealth checks due to their abillity to hide in plain sight eaisily,

As Doodles outside of their own dimention are paper-like, they are weak to fire and burn easily. You are vulnerable to fire damage.