Beginning in 1954, his half-brother, Joey D. Vieira, played Porky on the first three seasons of Lassie under the stage name of Donald Keeler.

[1] Weatherwax made his acting debut in the early 1960s when he was age 9, playing a boy named Chester in a commercial for Gleem toothpaste.

He established a career behind the camera as a movie studio grip and set builder, and made occasional appearances at Addams Family-related events with former costar Lisa Loring, who had played Pugsley's younger sister Wednesday Addams on the show.

[4] Weatherwax died on December 7, 2014, of a heart attack at his home in West Hills, California, at the age of 59.

[5] Via a crowdfunding campaign, the owner of Dearly Departed Tours & Artifact Museum raised the funds to have Weatherwax interred in Valhalla Memorial Park Cemetery in North Hollywood in 2017.