Jeffrey, also known as Cousin Jeffrey, is an unseen Seinfeld character. He makes his first appearance when Uncle Leo mentions him in "The Pony Remark". His father is Leo; his mother is Stella.

Notes about Jeffrey

  • Jeffrey works at the Parks Department, a career that causes his father tremendous pride.
  • According to Leo, Jeffrey has a sense of humor.
  • His favorite animal is the leopard; he likes their spots.
  • He usually stays home on Friday nights to watch the Nature Channel.
  • Jerry and his friends think he looks like a horse.
  • Has a close relationship with one of his college professors. Like equals. That's pretty rare.
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