The Deep Thinkers are a group of Baron Klaus Wulfenbach's counsellors who have only [ rarely been mentioned in the comics] [[Chronology - Volume #|✣ ]] so far. By implication, they help the Baron develop his long-view strategies and study the ripple effects of actions reported to them. Whether they are normal humans, high-order clanks or heads in jars of extraordinary thinkers preserved at last minute is unknown at this point. A large-brained character dubbed "Deep Thinker" by fans has appeared aboard Castle Wulfenbach, functioning as a strategist and an advisor. This may be a deep thinker.