List of Percy Jackson and the Olympians characters
Telekhines: Dog-faced sea demons that reforged Kronos's blade in the fourth book. Some set Percy on fire in the fourth book. They also appear in the fifth book. In the fourth book, they are referred to as "telekhines", however in the fifth book, they are referred to as "telkhines", without the other "e". This may be a typographical error or something different of the author's choice.