Avner Eisenberg (b. 1948) is performance artist known by his stage name "Avner the Eccentric."
He was interviewed by Fozzie Bear in the Fall 1988 issue of Muppet Magazine.
Performing as a clown and magician, Eisenberg has worked with The Flying Karamazov Brothers, and appeared in the films The Jewel of the Nile and Brenda Starr (with Brooke Shields). He also appeared on the TV series Webster (with Ben Vereen) and the Children's Television Workshop series Square One TV.