Taneleer Tivan was a character created by what two people?
Elders of the Universe The Elders of the Universe are a fictional group of supervillains appearing in American comic books published by Marvel Comics. The Collector was the first Elder to appear, and featured in "Avengers" #28 (May 1966), but the idea that he was a member of a group known as the Elders was not introduced until "Avengers" #174 (August 1978). The character was created by Roy Thomas and Sal Buscema.
Harley Quinn Harley Quinn (Harleen Frances Quinzel) is a fictional supervillain and occasionally antihero appearing in American comic books published by DC Comics. The character was created by Paul Dini and Bruce Timm, and first appeared in "" in September 1992. She later appeared in DC Comics' Batman comic books, with the character's first comic book appearance in "The Batman Adventures" #12 (Sept. 1993).