Benny Jacks, played by David Arquette, is a character in the 1992 film Buffy the Vampire Slayer.
Benny is Oliver Pike's best friend. After having a couple run-ins with Buffy Summers and her friends, Benny is attacked by Amilyn, one of Lothos' acolytes. Benny is, himself, turned into a vampire and soon attempts to tempt Pike to join him.
Pike manages to avoid Benny long enough to face him one-on-one in the high school gym at the school dance. Pike slays Benny.