Over the years, Doctor Destiny has proven one of the Justice League's most persistent foes.

Through the Silver and Bronze Ages, Doctor Light was a minor but persistent foe for a number of heroes.

Jigsaw has been a persistent foe of the Punisher's for years.

Thunstone's most persistent foe is a sorcerer named Rowley Thorne, who appears in a number of the stories.

Now in Boston, the Yankees loom as a larger, more persistent foe.

They had two choices: they either stayed and fought against this persistent unknown foe or else they got out altogether.

He might even be able to profit from that- surely Biron's sponsor would pay for the removal of such a persistent foe.

My most persistent foe," she wrote Mrs. Hopkins, "is that feeling of restlessness that takes possession of me sometimes.

They were his goal, where he hoped to shake off his persistent foes at last, yet a nameless aversion warned him away from them.

It concerned an ongoing threat by Areala's most persistent foe, Helga, as she tried to destroy the Vatican itself.