Egghead Jr. or Eggbert is a character featuredin Looney Tunes created by Robert McKimson in the 1950s. Egghead Jr. is a largeheaded and very intelligent baby chick and appeared in several shorts with bumptious Foghorn Leghorn. The only son of Miss Prissy, a spinster hen who inexplicably became a widow in later shorts, Egghead Jr. was bookish and never spoke (though he mumbled when he .