Leopold the Imp
Previously worked with Erlenmeyer the Encyclopedist. He was in the process of finishing an array of encyclopedias moving clockwise and inward around the world of Karsus. They finished the coastal cities and were starting on the inner cites when Rotsgasp kidnapped Leopold in exchange for Erlenmeyer keeping his life.
Leo carries a magically enchanted bookcase that can shrink into a tiny cube shaped backpack. After killing Rotsgasp and telling Leo he was free to go, Sundara mentioned that it would be cool to hire him for information about the world. He offers a contract to take him on as a familiar, with a 4 week upfront payment and weekly payment of a healing potion after that. He also needs a 4 week notice prior to terminating the contract.