Which comedian is the prop comic?

Some fairly well-known prop comics : The Amazing Johnathan , Brian Barlow aka Poppa Proppa , Carrot Top , Tommy Cooper , Tom Eaton, Gallagher , Joel Hodgson , Demetri Martin , Steve Martin , Harpo Marx , Olsen and Johnson , Al Simmons , Rip Taylor , Tim Vine , Ed Wynn , Paul Zaloom et. al .