Name: Little My (Swedish: Lilla My/ Finnish: Pikku Myy)
First appearance: The Exploits of Moominpappa (1950)
Creator: Tove Jansson
Age: Born in the first book but eventually becomes an independent character in her own right
Little My is one of the most popular characters from the stories about Moominpappa and his family and friends, written by Tove Jansson from 1945 and onwards - even though she does not appear until the fourth book. She has a really bad temper, get angry and aggressive at the drop of a hat, but is also a determined person who gets things done and doesn't put everything off to the last minute. She is also quite loyal.
She is born as a daughter of the Mymble, a word used in Jansson's circle of friend to mean 'love', and is the sister of Daughter of Mymble and Snufkin. She is later adopted by the Moomin-family.
In the first books she is very small, just as her name indicates, sometimes even carried in the pocket of her older brother. Her older sister tries to raise her, but it does not go very well, and the project is eventually abandoned. She comes to live with the Moomin-family, learning to like winter and not being cast down by circumstances.
Her name is derived from the Greek letter μ (mu - which in Swedish is transcribed as 'my')