"I know of him. He's not the quiet sort but like most geniuses I know tends to get caught up in his own affairs pretty easily. You can find him in the quiet carriage in the room with the blackout and lock installed, if he's working on something."

It was common knowledge that Piccolo just happened to hear because what did't he hear in such cramped spaces with his excellent hearing. He was lucky he wasn't prone to headaches because otherwise the cacophony might bother him more. It had certainly taken a lot of adjusting when he first arrived. He was too used to being out in the stark wilderness.