A lawyer hired by residents in Dusseldorf after Tenma was arrested in Prague at one point. Verdemann has made a name for himself proving the innocence of his clients, including his father, who died in prison before being exonerated. He is married and during the series his wife gives birth to a daughter. He enjoys listening to Over the Rainbow from The Wizard of Oz. However, it is revealed later on that Verdemann found notes written by his father which may indicate that he was guilty in the first place. He then teams up with Suk in order to find out the truth regarding an author named Franz Bonaparta in the hopes of discovering the truth about his father's past as well.