Uncle Leo

A tribute to Len Lasser, the man who made us love he unlovable Uncle Leo on "Seinfeld."

Len Lesser, known as Uncle Leo on "Seinfield," has passed away. He was 88 years old. Lesser played Jerry's Uncle Leo on 15 episodes of the hit comedy.

In a tribute to Len Lesser, here are three of his top moments as Uncle Leo on the sitcom "Seinfeld."

Len Lasser, the actor behind beloved "Seinfeld" support character Uncle Leo, died Wednesday, Feb. 16. Lasser died of cancer-related pneumonia at the age of 88.

If an actor had a guest recurring role on "Seinfeld," it was destined to overshadow all else in their career. Len Lesser was around for decades, but he was best known as Jerry's Uncle Leo, and is being remembered as such after his death at age 88 today.

Does the name Uncle Leo ring a bell? If you were a fan of Seinfeld fan then you probably definitely know who Uncle Leo was.

Len Lesser died February 16th, 2011.