Nobutoshi Hayashi, known professionally as Nobutoshi Canna, is a Japanese actor, voice actor, singer, and narrator. He was born on June 10, 1968, in Shinagawa, Tokyo, and is affiliated with the talent management firm Aoni Production. He began his career in entertainment as a child actor.

He is widely recognized for a variety of prominent roles in anime series and video games. Some of his most noted performances include Basara Nekki in Macross 7, Tasuki in Fushigi Yûgi, Guts in the 1997 Berserk series, Ban Mido in GetBackers, Kabuto Yakushi in Naruto and Naruto: Shippuden, and Lancer in the Fate/stay night franchise. He has also been the voice of Knuckles the Echidna in the Sonic the Hedgehog franchise since 1998, including the anime Sonic X.

Many of the specific roles listed in the query are confirmed as parts of his filmography, often in original video animation (OVA) productions from the 1990s and early 2000s. These include Leorio in the 1998 pilot for Hunter × Hunter, Minoru Yamagishi in Weather Report Girl, Crey in Fortune Quest - Yonimo Shiawase na Bōkensha-tachi, Geronimo in Kinnikuman: Kinnikusei Ōi Sōdatsu-hen, and Leon Earnhardt in Future GPX Cyber Formula Saga. His work in the early 1990s also includes roles in series such as Nozomi Witches, where he played Ryōtarō Shiba, and the Sotsugyō M OVA series as Syo Nakamoto. Further OVA roles from this period confirm his performances as Ushio in Blue Butterfly Fish, Tanaka in My Dear Marie, and Junpei Kurata in I Dream of Mimi.

Beyond his voice acting, he is also active as a singer and narrator. In addition to his extensive anime work, he has a significant presence in video games, providing voices for characters such as Cao Pi in the Dynasty Warriors series, Masato Inohara in Little Busters!, and Axel Almer in Super Robot Wars Original Generation: The Inspector.