Claude didn't know when this man had become obsessed with royal honorifics. He could understand why Len was often called a prince. It was the reason why he was called a princess. However, this man labeled himself as the jester… while Joshua had become the village lunatic? What did 'village lunatic' even mean? Claude would have asked if he hadn't heard the addendum.
Who believed in the existence of werewolves…?
Claude figured Joshua had considered letting Theodore in on the secret. However, this guy rejected the idea and called Joshua insane. It even led to the breakup.
He might or might not have the full story, but Claude didn't want this man to continue looking down on someone who kept helping him. Whether it was out of Joshua's obligation or fear, Claude wanted to act. Moreover, this Theodore was getting close to Len in a sense.