Tomokazu Sugita. Actor: Gintama. Tomokazu Sugita is a Japanese voice actor. Best known for his roles as Gintoki Sakata in the popular anime Gintama, Kyon in The Melancholy of Haruhi Suzumiya and Joseph Joestar in JoJo's Bizarre Adventure. He is also one of the three hosts on the radio show Bururaji (BlueRadio) promoting the video game Blazblue which is produced and released on Nico Nico Douga.