Few superhero emblems are as provocative as the Punisher’s. Superman’s diamond “S” communicates decency and heroism, while Batman’s silhouette bat strikes fear in those who prey on the ...

A sample of the Punisher items sold by Thin Blue Line USA. Thin Blue Line USA Though the Punisher’s fans are generally diverse, the character has a strong appeal to a conservative audience.

The thin blue line shows the unity of the police, he said. The decals were added to the cars several months ago. The Punisher is a vigilante who first appeared in Marvel comics in 1974 and is soon ...