Professor Layton and the Unwound Future/Trivia
- Hey, It's That Voice!: Along with Liam O'Brian as Dr. Stahngun stated above (who sounds like what Akihiko might sound like if he were European, there's also Future Luke, who sounds eerily similar to a Prince of Persia.
- Shout-Out: In a conversation with another patron in the bookshop near Chinatown, Luke remarks that "I've read the Sherlock Holmes books at least a dozen times!"