They are Issunboshi, Sunekotanpako, Akuto Taro (Akuto means heel), Mamesuke (thumb), Yubitaro (name that describes where he was born), Mameichi, Goburato (Jiro) (a name that describes that he is small), Sanmontake, Issunkotaro, Tanishi (mud snail), Katatsumuri (snail), Kaeru (frog), Koropokkuru (small people in Ainu folklore) Kamui of Ainu, Kijimuna, Kenmun, and on the point of being very small at birth, Momotaro, Uriko Hime (Princess Uriko) and Kaguya Hime (Princess Kaguya) are also related.
一寸法師、すねこたんぱこ、あくと太郎（あくとは踵）、豆助（親指）、指太郎（生まれた場所を表す名。）、豆一、五分太郎（次郎）（小さいことを表す名。）、三文丈、一寸小太郎、タニシ、カタツムリ、かえる、アイヌのコロポックルカムイ、キジムナー、ケンムンなど、誕生の際異常に小さい点では桃太郎、瓜子姫、かぐや姫も類縁関係である。