Little Twins
English name: Little Twins
Genres: Adventure
Type: OVA, Episodes: 3
Aired: Jul 23, 1992 to 1993
Studio: Toei Animation
Source: Unknown
Rating: G - All Ages
Synopsis:
In these adaptations of lsamu Tsuchida's picture books for children, Tiffle and Tuffle are two little twins in pointed hats who live on Coracle Island and have a few light-hearted adventures. 

(Source: The Anime Encyclopedia)