The main characters are Karius (black haired) and Baktus (red haired) are two small teeth trolls that live in a hole in one of the teeth of a guy called Jens.
The main characters are Karius (black haired). Baktus (red haired) are two small teeth. Trolls called Jens two small teeth. These trolls live in a hole in one of the teeth of a guy.