Karse is Len's introverted twin brother from Time Fabric Island. He is not very talkative and usually prefers to keep to himself. Karse is more of a follower and usually agrees with whatever is brother says.
Yana is a very stern woman who has a very high status in the Teso tribe. She is the sister of the prime minister, Syntax, and is very power-hungry. Yana and her husband Pealo are kidnapped during the 2073 Teso Purge, so she is forced to send her son Tomocumber with Syntax to safety.