The Tarantula is one of two characters in the DC Comics universe.
The original Tarantula was a character prominent in the 1940s named John Law. He first appeared in Star-Spangled Comics #1 (October 1940). Some believe that he was an inspiration for the Marvel Comics superhero Spider-Man.
The new Tarantula is Catalina Flores. She first appeared in a Nightwing #71. She is a vigilante who is willing to kill, and is romantically interested in Nightwing.