[dollars_]

Originally Posted by Buddy Waters

Spoiler for Book 1:

He's not faking his personality. He's asking a lot of questions because he created the Dollars, and feels responsible for what they do; when he hears someone say something that doesn't line up with what he knows about the Dollars, he naturally investigates. The Dollars may not be what he thinks they are, but they're also not entirely what "Kanra-san" or Kida have said they are.

Thank you, Buddy Waters.

Spoiler:

To think that someone as mellow and kind as him plot up something that big... Weird and cool at the same time.