Who voiced the protagonist in the popular films directed by Roman Abelevich Kachanov?
Klara Rumyanova
Title: Cheburashka
Passage: Cheburashka (Russian: Чебура́шка ; ] ), also known as Topple in earlier English translations, is a character in children's literature, from a 1966 story by Soviet writer Eduard Uspensky.  He is also the protagonist (voiced by Klara Rumyanova) of the stop-motion animated films by Roman Kachanov (Soyuzmultfilm studio), the first film of which was made in 1969.
Title: Roman Abelevich Kachanov
Passage: Roman Abelevich Kachanov (Russian: Роман Абелевич Качанов ; 25 February 1921 – 4 July 1993) was a Soviet animator who worked primarily in the stop-motion animation technique.  He directed the popular series of films about Cheburashka based on the fairy tales written by Eduard Uspensky: "Gena the Crocodile", "Cheburashka", "Shapoklyak" and "Cheburashka Goes to School".
Title: Cheburashka (film)
Passage: Cheburashka (Russian: Чебурашка , "Cheburashka " ) is a 1972 Soviet/Russian animated film directed by Roman Kachanov.
Roman Abelevich Kachanov Cheburashka