Kaisei Oda

Kaisei Oda is a Japanese seiyuu active in animated dubbing and original productions. Career highlights include recurring work across multiple Apple TV+ Peanuts specials in the Japanese dub. Best known for voicing Shermy and Thibault in The Snoopy Show and Snoopy Presents specials, and Mateo in the 2022 Gundam theatrical film Cucuruz Doan's Island. A consistent presence in internationally distributed animated projects.

Kaisei Oda’s Work in Japanese Animation Dubbing

Within the world of Japanese animation dubbing, Kaisei Oda has carved out a recognizable presence through consistent work on internationally beloved properties. The career credits span classic Western animated franchises adapted for Japanese audiences, placing this seiyuu alongside some of the most enduring characters in animated history. With 16 confirmed roles across 13 titles, the body of work is focused and specific – each credit tied to productions with genuine cultural weight in Japan and abroad.

Most Known Roles of Kaisei Oda

- Shermy – The Snoopy Show (2021)
- Thibault / Shermy – Snoopy Presents: For Auld Lang Syne (2021)
- Thibault / Shermy – Snoopy Presents: It’s the Small Things, Charlie Brown (2022)
- Thibault / Shermy – Snoopy Presents: Lucy’s School (2022)
- Mateo in Mobile Suit Gundam: Cucuruz Doan’s Island (2022)
- Joe Agate – He’s A Bully, Charlie Brown (2006)

The Peanuts Franchise and the Role of Shermy

Across multiple Apple TV+ Peanuts productions released between 2021 and 2022, Kaisei Oda became the go-to Japanese voice for Shermy – one of the original characters from Charles Schulz’s comic strip – as well as the French boy Thibault, introduced in newer specials. That kind of recurring casting across a single franchise signals a consistency that dubbing directors clearly value. The 2022 Snoopy Presents shorts, distributed globally through Apple TV+, brought these performances to an audience far beyond Japan, making the Peanuts dub work the most internationally visible part of this seiyuu’s recorded output to date.

Mobile Suit Gundam: Cucuruz Doan’s Island

The 2022 theatrical film Mobile Suit Gundam: Cucuruz Doan’s Island marked a different kind of credit – a major anime movie release from Sunrise, directed by Yoshikazu Yasuhiko, revisiting a famously cut episode from the original 1979 series. Kaisei Oda voiced Mateo, one of the children living on the isolated island alongside the rogue Zeon soldier Doan. The film drew considerable attention from the Gundam fanbase for finally giving the long-excluded story an official, high-production retelling, and the child cast required seiyuu who could deliver grounded, naturalistic performances rather than heightened action-oriented reads.