Katsumi Suzuki (鈴木 勝美, Suzuki Katsumi; born August 5, 1956) is a Japanese voice actor. He is best known as the voice of Kagome's grandfather in Inuyasha after Ginzo Matsuo's death, and as the voice of Diddy Kong in many of Nintendo's video games since 2004 starting with Mario Power Tennis. He currently works at 81 Produce.
Source: “Katsumi Suzuki”, English Wikipedia (CC BY-SA 4.0), excerpt