Prince Valiant - A Warrior For All Time, Prince Valiant in the Days of King Arthur, or simply Prince Valiant, is a comic strip created by Hal Foster. It is an epic adventure that has told a continuous story for its entire history. Today it stands out for its realistic panoramas and intelligent and often humorous narrative, which appears below the pictures, without word balloons. The items shown are accurate, but taken from very different time periods ranging from the viking age to the 19th century.