Spejbl & Hurvínek

Czech marionettes, created in the 1920s and first spoken by Martin Klásek, who was already alternating with Kirschner since 1974.
See also: Divadlo Spejbla A Hurvínka (Spejbl & Hurvínek Theatre)
Note: on many releases, the characters names “Spejbl & Hurvínek” are actually uncredited in this form as main artists.