Nudnik

Nudnik was a Czechoslovak/Czech animated film series directed by Gene Deitch, produced by William Lawrence Snyder, and distributed by Paramount Studios. The shorts were released during 1965 and 1967 with 12 shorts, and a new series was made in 1991.

On Gene Deitch's entry on the IMDb website (see External links below) there are listings of eight short animated films featuring the Nudnik character.