Answer
Keiji Fujiwara was a Japanese actor and voice actor. He voiced Zenzo Hattori in Gintama. Hattori is a detective who is friends with Gintoki Sakata and Kagura. He is a skilled martial artist and is often seen using his skills to help Gintoki and Kagura. He is also a skilled detective and is often able to solve cases that others have been unable to.