Sherlock Holmes

Sherlock Holmes is based on the Great Detective of the same name from the stories written by Sir Arthur Conan Doyle. He is the father of Annamaria Holmes and the grandfather of Robert Ryunosuke.

Chapter 8.5
He joined his grandson in the hunt for Westminster Wakeman in Chapter 8.5: The Great Detective's Last Bow. He sat in a wheelchair pushed around by John Watson. Both were around 100 years old. After they took down Wakeman they let him escape. Holmes simply did it to show his grandson how to catch a criminal.