Janko is a common male name in several Slavic countries, including Slovenia, Croatia, and Serbia. It is often a diminutive form of the name Jan, which is equivalent to John in English. The name is associated with various cultural and historical figures in these regions. In addition to being a name, Janko can also refer to a character in folklore or literature. For example, in Slovenian folklore, Janko is sometimes depicted as a clever and resourceful young man who embarks on adventures. This character often embodies traits such as bravery and wit, making him a popular figure in stories and tales.